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Finding the Fourth Proportional to 540,054.30, 810,081.45 and 166,077.30

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Solution

The fourth proportional to 540,054.30, 810,081.45 and 166,077.30 is: 249,115.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,054.30 : 810,081.45 = 166,077.30 : x
  2. Step 2: Convert to fraction form
    540,054.30/810,081.45 = 166,077.30/x
  3. Step 3: Cross multiply
    540,054.30x = 810,081.45 × 166,077.30
  4. Step 4: Simplify right side
    540,054.30x = 134,536,139,996.09
  5. Step 5: Solve for x
    x = 134,536,139,996.09/540,054.30
  6. Step 6: Final answer
    x = 249,115.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.