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Finding the Fourth Proportional to 107,188.80, 147,920.94 and 59,446.56

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Solution

The fourth proportional to 107,188.80, 147,920.94 and 59,446.56 is: 82,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,188.80 : 147,920.94 = 59,446.56 : x
  2. Step 2: Convert to fraction form
    107,188.80/147,920.94 = 59,446.56/x
  3. Step 3: Cross multiply
    107,188.80x = 147,920.94 × 59,446.56
  4. Step 4: Simplify right side
    107,188.80x = 8,793,391,034.97
  5. Step 5: Solve for x
    x = 8,793,391,034.97/107,188.80
  6. Step 6: Final answer
    x = 82,036.47

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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.