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Finding the Fourth Proportional to 163,356.52, 224,732.10 and 156,358.12

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Solution

The fourth proportional to 163,356.52, 224,732.10 and 156,358.12 is: 215,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,356.52 : 224,732.10 = 156,358.12 : x
  2. Step 2: Convert to fraction form
    163,356.52/224,732.10 = 156,358.12/x
  3. Step 3: Cross multiply
    163,356.52x = 224,732.10 × 156,358.12
  4. Step 4: Simplify right side
    163,356.52x = 35,138,688,659.65
  5. Step 5: Solve for x
    x = 35,138,688,659.65/163,356.52
  6. Step 6: Final answer
    x = 215,104.29

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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.