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Finding the Fourth Proportional to 107,545.96, 148,425.24 and 61,609.96

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Solution

The fourth proportional to 107,545.96, 148,425.24 and 61,609.96 is: 85,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,545.96 : 148,425.24 = 61,609.96 : x
  2. Step 2: Convert to fraction form
    107,545.96/148,425.24 = 61,609.96/x
  3. Step 3: Cross multiply
    107,545.96x = 148,425.24 × 61,609.96
  4. Step 4: Simplify right side
    107,545.96x = 9,144,473,099.39
  5. Step 5: Solve for x
    x = 9,144,473,099.39/107,545.96
  6. Step 6: Final answer
    x = 85,028.51

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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.