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Finding the Fourth Proportional to 224,911.68, 310,397.88 and 124,329.12

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Solution

The fourth proportional to 224,911.68, 310,397.88 and 124,329.12 is: 171,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,911.68 : 310,397.88 = 124,329.12 : x
  2. Step 2: Convert to fraction form
    224,911.68/310,397.88 = 124,329.12/x
  3. Step 3: Cross multiply
    224,911.68x = 310,397.88 × 124,329.12
  4. Step 4: Simplify right side
    224,911.68x = 38,591,495,270.27
  5. Step 5: Solve for x
    x = 38,591,495,270.27/224,911.68
  6. Step 6: Final answer
    x = 171,585.11

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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.