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Finding the Fourth Proportional to 71,798.66, 99,074.99 and 41,593.70

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Solution

The fourth proportional to 71,798.66, 99,074.99 and 41,593.70 is: 57,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,798.66 : 99,074.99 = 41,593.70 : x
  2. Step 2: Convert to fraction form
    71,798.66/99,074.99 = 41,593.70/x
  3. Step 3: Cross multiply
    71,798.66x = 99,074.99 × 41,593.70
  4. Step 4: Simplify right side
    71,798.66x = 4,120,895,411.56
  5. Step 5: Solve for x
    x = 4,120,895,411.56/71,798.66
  6. Step 6: Final answer
    x = 57,395.16

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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.