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Finding the Fourth Proportional to 125,605.60, 188,411.52 and 36,849.76

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Solution

The fourth proportional to 125,605.60, 188,411.52 and 36,849.76 is: 55,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605.60 : 188,411.52 = 36,849.76 : x
  2. Step 2: Convert to fraction form
    125,605.60/188,411.52 = 36,849.76/x
  3. Step 3: Cross multiply
    125,605.60x = 188,411.52 × 36,849.76
  4. Step 4: Simplify right side
    125,605.60x = 6,942,919,293.24
  5. Step 5: Solve for x
    x = 6,942,919,293.24/125,605.60
  6. Step 6: Final answer
    x = 55,275.56

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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.