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Finding the Fourth Proportional to 125,672.46, 188,642.98 and 50,841.52

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Solution

The fourth proportional to 125,672.46, 188,642.98 and 50,841.52 is: 76,316.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672.46 : 188,642.98 = 50,841.52 : x
  2. Step 2: Convert to fraction form
    125,672.46/188,642.98 = 50,841.52/x
  3. Step 3: Cross multiply
    125,672.46x = 188,642.98 × 50,841.52
  4. Step 4: Simplify right side
    125,672.46x = 9,590,895,840.53
  5. Step 5: Solve for x
    x = 9,590,895,840.53/125,672.46
  6. Step 6: Final answer
    x = 76,316.61

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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.