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Finding the Fourth Proportional to 106,857.92, 147,451.92 and 59,104.64

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Solution

The fourth proportional to 106,857.92, 147,451.92 and 59,104.64 is: 81,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,857.92 : 147,451.92 = 59,104.64 : x
  2. Step 2: Convert to fraction form
    106,857.92/147,451.92 = 59,104.64/x
  3. Step 3: Cross multiply
    106,857.92x = 147,451.92 × 59,104.64
  4. Step 4: Simplify right side
    106,857.92x = 8,715,092,648.91
  5. Step 5: Solve for x
    x = 8,715,092,648.91/106,857.92
  6. Step 6: Final answer
    x = 81,557.76

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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.