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Finding the Fourth Proportional to 109,091.96, 150,545.96 and 61,344.29

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Solution

The fourth proportional to 109,091.96, 150,545.96 and 61,344.29 is: 84,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,091.96 : 150,545.96 = 61,344.29 : x
  2. Step 2: Convert to fraction form
    109,091.96/150,545.96 = 61,344.29/x
  3. Step 3: Cross multiply
    109,091.96x = 150,545.96 × 61,344.29
  4. Step 4: Simplify right side
    109,091.96x = 9,235,134,275.84
  5. Step 5: Solve for x
    x = 9,235,134,275.84/109,091.96
  6. Step 6: Final answer
    x = 84,654.58

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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.