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Finding the Fourth Proportional to 224,891.27, 310,341.53 and 122,915.92

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Solution

The fourth proportional to 224,891.27, 310,341.53 and 122,915.92 is: 169,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,891.27 : 310,341.53 = 122,915.92 : x
  2. Step 2: Convert to fraction form
    224,891.27/310,341.53 = 122,915.92/x
  3. Step 3: Cross multiply
    224,891.27x = 310,341.53 × 122,915.92
  4. Step 4: Simplify right side
    224,891.27x = 38,145,914,787.48
  5. Step 5: Solve for x
    x = 38,145,914,787.48/224,891.27
  6. Step 6: Final answer
    x = 169,619.36

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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.