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Finding the Fourth Proportional to 136,737, 205,045.08 and 61,854.12

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Solution

The fourth proportional to 136,737, 205,045.08 and 61,854.12 is: 92,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,737 : 205,045.08 = 61,854.12 : x
  2. Step 2: Convert to fraction form
    136,737/205,045.08 = 61,854.12/x
  3. Step 3: Cross multiply
    136,737x = 205,045.08 × 61,854.12
  4. Step 4: Simplify right side
    136,737x = 12,682,882,983.73
  5. Step 5: Solve for x
    x = 12,682,882,983.73/136,737
  6. Step 6: Final answer
    x = 92,753.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.