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Finding the Fourth Proportional to 71,849.84, 99,152.70 and 41,652.65

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Solution

The fourth proportional to 71,849.84, 99,152.70 and 41,652.65 is: 57,480.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.84 : 99,152.70 = 41,652.65 : x
  2. Step 2: Convert to fraction form
    71,849.84/99,152.70 = 41,652.65/x
  3. Step 3: Cross multiply
    71,849.84x = 99,152.70 × 41,652.65
  4. Step 4: Simplify right side
    71,849.84x = 4,129,972,213.89
  5. Step 5: Solve for x
    x = 4,129,972,213.89/71,849.84
  6. Step 6: Final answer
    x = 57,480.61

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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.