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Finding the Fourth Proportional to 224,839.92, 310,279.14 and 124,237.92

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Solution

The fourth proportional to 224,839.92, 310,279.14 and 124,237.92 is: 171,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,839.92 : 310,279.14 = 124,237.92 : x
  2. Step 2: Convert to fraction form
    224,839.92/310,279.14 = 124,237.92/x
  3. Step 3: Cross multiply
    224,839.92x = 310,279.14 × 124,237.92
  4. Step 4: Simplify right side
    224,839.92x = 38,548,434,972.99
  5. Step 5: Solve for x
    x = 38,548,434,972.99/224,839.92
  6. Step 6: Final answer
    x = 171,448.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.