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Finding the Fourth Proportional to 122,957.96, 169,680.24 and 69,248.24

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Solution

The fourth proportional to 122,957.96, 169,680.24 and 69,248.24 is: 95,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,957.96 : 169,680.24 = 69,248.24 : x
  2. Step 2: Convert to fraction form
    122,957.96/169,680.24 = 69,248.24/x
  3. Step 3: Cross multiply
    122,957.96x = 169,680.24 × 69,248.24
  4. Step 4: Simplify right side
    122,957.96x = 11,750,057,982.78
  5. Step 5: Solve for x
    x = 11,750,057,982.78/122,957.96
  6. Step 6: Final answer
    x = 95,561.59

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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.