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Finding the Fourth Proportional to 125,590.70, 188,410.35 and 36,847.10

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Solution

The fourth proportional to 125,590.70, 188,410.35 and 36,847.10 is: 55,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,590.70 : 188,410.35 = 36,847.10 : x
  2. Step 2: Convert to fraction form
    125,590.70/188,410.35 = 36,847.10/x
  3. Step 3: Cross multiply
    125,590.70x = 188,410.35 × 36,847.10
  4. Step 4: Simplify right side
    125,590.70x = 6,942,375,007.49
  5. Step 5: Solve for x
    x = 6,942,375,007.49/125,590.70
  6. Step 6: Final answer
    x = 55,277.78

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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.