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Finding the Fourth Proportional to 468,645.04, 702,987 and 136,221.04

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Solution

The fourth proportional to 468,645.04, 702,987 and 136,221.04 is: 204,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,645.04 : 702,987 = 136,221.04 : x
  2. Step 2: Convert to fraction form
    468,645.04/702,987 = 136,221.04/x
  3. Step 3: Cross multiply
    468,645.04x = 702,987 × 136,221.04
  4. Step 4: Simplify right side
    468,645.04x = 95,761,620,246.48
  5. Step 5: Solve for x
    x = 95,761,620,246.48/468,645.04
  6. Step 6: Final answer
    x = 204,337.21

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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.