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Finding the Fourth Proportional to 75,160.58, 112,753.86 and 25,245.50

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Solution

The fourth proportional to 75,160.58, 112,753.86 and 25,245.50 is: 37,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,160.58 : 112,753.86 = 25,245.50 : x
  2. Step 2: Convert to fraction form
    75,160.58/112,753.86 = 25,245.50/x
  3. Step 3: Cross multiply
    75,160.58x = 112,753.86 × 25,245.50
  4. Step 4: Simplify right side
    75,160.58x = 2,846,527,572.63
  5. Step 5: Solve for x
    x = 2,846,527,572.63/75,160.58
  6. Step 6: Final answer
    x = 37,872.61

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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.