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Finding the Fourth Proportional to 540,123.39, 810,184.68 and 166,146.39

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Solution

The fourth proportional to 540,123.39, 810,184.68 and 166,146.39 is: 249,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,123.39 : 810,184.68 = 166,146.39 : x
  2. Step 2: Convert to fraction form
    540,123.39/810,184.68 = 166,146.39/x
  3. Step 3: Cross multiply
    540,123.39x = 810,184.68 × 166,146.39
  4. Step 4: Simplify right side
    540,123.39x = 134,609,259,815.31
  5. Step 5: Solve for x
    x = 134,609,259,815.31/540,123.39
  6. Step 6: Final answer
    x = 249,219.46

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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.