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Finding the Fourth Proportional to 71,848.68, 99,156.58 and 41,641.96

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Solution

The fourth proportional to 71,848.68, 99,156.58 and 41,641.96 is: 57,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848.68 : 99,156.58 = 41,641.96 : x
  2. Step 2: Convert to fraction form
    71,848.68/99,156.58 = 41,641.96/x
  3. Step 3: Cross multiply
    71,848.68x = 99,156.58 × 41,641.96
  4. Step 4: Simplify right side
    71,848.68x = 4,129,074,338.10
  5. Step 5: Solve for x
    x = 4,129,074,338.10/71,848.68
  6. Step 6: Final answer
    x = 57,469.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.