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Finding the Fourth Proportional to 288,476.10, 432,761.13 and 88,796.52

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Solution

The fourth proportional to 288,476.10, 432,761.13 and 88,796.52 is: 133,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,476.10 : 432,761.13 = 88,796.52 : x
  2. Step 2: Convert to fraction form
    288,476.10/432,761.13 = 88,796.52/x
  3. Step 3: Cross multiply
    288,476.10x = 432,761.13 × 88,796.52
  4. Step 4: Simplify right side
    288,476.10x = 38,427,682,335.27
  5. Step 5: Solve for x
    x = 38,427,682,335.27/288,476.10
  6. Step 6: Final answer
    x = 133,209.24

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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.