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Finding the Fourth Proportional to 107,691.68, 148,610.16 and 59,943.68

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Solution

The fourth proportional to 107,691.68, 148,610.16 and 59,943.68 is: 82,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691.68 : 148,610.16 = 59,943.68 : x
  2. Step 2: Convert to fraction form
    107,691.68/148,610.16 = 59,943.68/x
  3. Step 3: Cross multiply
    107,691.68x = 148,610.16 × 59,943.68
  4. Step 4: Simplify right side
    107,691.68x = 8,908,239,875.79
  5. Step 5: Solve for x
    x = 8,908,239,875.79/107,691.68
  6. Step 6: Final answer
    x = 82,719.85

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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.