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Finding the Fourth Proportional to 151,497.60, 209,082.24 and 91,087.92

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Solution

The fourth proportional to 151,497.60, 209,082.24 and 91,087.92 is: 125,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,497.60 : 209,082.24 = 91,087.92 : x
  2. Step 2: Convert to fraction form
    151,497.60/209,082.24 = 91,087.92/x
  3. Step 3: Cross multiply
    151,497.60x = 209,082.24 × 91,087.92
  4. Step 4: Simplify right side
    151,497.60x = 19,044,866,350.54
  5. Step 5: Solve for x
    x = 19,044,866,350.54/151,497.60
  6. Step 6: Final answer
    x = 125,710.68

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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.