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Finding the Fourth Proportional to 282,387.71, 423,297.25 and 124,588.37

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Solution

The fourth proportional to 282,387.71, 423,297.25 and 124,588.37 is: 186,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,387.71 : 423,297.25 = 124,588.37 : x
  2. Step 2: Convert to fraction form
    282,387.71/423,297.25 = 124,588.37/x
  3. Step 3: Cross multiply
    282,387.71x = 423,297.25 × 124,588.37
  4. Step 4: Simplify right side
    282,387.71x = 52,737,915,149.75
  5. Step 5: Solve for x
    x = 52,737,915,149.75/282,387.71
  6. Step 6: Final answer
    x = 186,757.12

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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.