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Finding the Fourth Proportional to 468,686.25, 703,149.26 and 136,262.25

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Solution

The fourth proportional to 468,686.25, 703,149.26 and 136,262.25 is: 204,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,686.25 : 703,149.26 = 136,262.25 : x
  2. Step 2: Convert to fraction form
    468,686.25/703,149.26 = 136,262.25/x
  3. Step 3: Cross multiply
    468,686.25x = 703,149.26 × 136,262.25
  4. Step 4: Simplify right side
    468,686.25x = 95,812,699,572.12
  5. Step 5: Solve for x
    x = 95,812,699,572.12/468,686.25
  6. Step 6: Final answer
    x = 204,428.23

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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.