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Finding the Fourth Proportional to 161,512.32, 242,290.64 and 54,867.64

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Solution

The fourth proportional to 161,512.32, 242,290.64 and 54,867.64 is: 82,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,512.32 : 242,290.64 = 54,867.64 : x
  2. Step 2: Convert to fraction form
    161,512.32/242,290.64 = 54,867.64/x
  3. Step 3: Cross multiply
    161,512.32x = 242,290.64 × 54,867.64
  4. Step 4: Simplify right side
    161,512.32x = 13,293,915,610.89
  5. Step 5: Solve for x
    x = 13,293,915,610.89/161,512.32
  6. Step 6: Final answer
    x = 82,308.99

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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.