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Finding the Fourth Proportional to 125,863.56, 188,737.02 and 46,920.96

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Solution

The fourth proportional to 125,863.56, 188,737.02 and 46,920.96 is: 70,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,863.56 : 188,737.02 = 46,920.96 : x
  2. Step 2: Convert to fraction form
    125,863.56/188,737.02 = 46,920.96/x
  3. Step 3: Cross multiply
    125,863.56x = 188,737.02 × 46,920.96
  4. Step 4: Simplify right side
    125,863.56x = 8,855,722,165.94
  5. Step 5: Solve for x
    x = 8,855,722,165.94/125,863.56
  6. Step 6: Final answer
    x = 70,359.70

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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.