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Finding the Fourth Proportional to 224,963.04, 337,316.76 and 91,687.20

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Solution

The fourth proportional to 224,963.04, 337,316.76 and 91,687.20 is: 137,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,963.04 : 337,316.76 = 91,687.20 : x
  2. Step 2: Convert to fraction form
    224,963.04/337,316.76 = 91,687.20/x
  3. Step 3: Cross multiply
    224,963.04x = 337,316.76 × 91,687.20
  4. Step 4: Simplify right side
    224,963.04x = 30,927,629,237.47
  5. Step 5: Solve for x
    x = 30,927,629,237.47/224,963.04
  6. Step 6: Final answer
    x = 137,478.71

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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.