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Finding the Fourth Proportional to 125,910.08, 188,834.88 and 37,139.48

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Solution

The fourth proportional to 125,910.08, 188,834.88 and 37,139.48 is: 55,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,910.08 : 188,834.88 = 37,139.48 : x
  2. Step 2: Convert to fraction form
    125,910.08/188,834.88 = 37,139.48/x
  3. Step 3: Cross multiply
    125,910.08x = 188,834.88 × 37,139.48
  4. Step 4: Simplify right side
    125,910.08x = 7,013,229,249.06
  5. Step 5: Solve for x
    x = 7,013,229,249.06/125,910.08
  6. Step 6: Final answer
    x = 55,700.30

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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.