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Finding the Fourth Proportional to 163,355.52, 224,730.72 and 156,357.12

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Solution

The fourth proportional to 163,355.52, 224,730.72 and 156,357.12 is: 215,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,355.52 : 224,730.72 = 156,357.12 : x
  2. Step 2: Convert to fraction form
    163,355.52/224,730.72 = 156,357.12/x
  3. Step 3: Cross multiply
    163,355.52x = 224,730.72 × 156,357.12
  4. Step 4: Simplify right side
    163,355.52x = 35,138,248,154.73
  5. Step 5: Solve for x
    x = 35,138,248,154.73/163,355.52
  6. Step 6: Final answer
    x = 215,102.91

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1.5x scale

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.