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Finding the Fourth Proportional to 116,062.43, 160,107.21 and 75,799.76

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Solution

The fourth proportional to 116,062.43, 160,107.21 and 75,799.76 is: 104,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,062.43 : 160,107.21 = 75,799.76 : x
  2. Step 2: Convert to fraction form
    116,062.43/160,107.21 = 75,799.76/x
  3. Step 3: Cross multiply
    116,062.43x = 160,107.21 × 75,799.76
  4. Step 4: Simplify right side
    116,062.43x = 12,136,088,092.27
  5. Step 5: Solve for x
    x = 12,136,088,092.27/116,062.43
  6. Step 6: Final answer
    x = 104,565.17

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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.