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Finding the Fourth Proportional to 113,891.25, 157,179.65 and 63,599.97

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Solution

The fourth proportional to 113,891.25, 157,179.65 and 63,599.97 is: 87,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,891.25 : 157,179.65 = 63,599.97 : x
  2. Step 2: Convert to fraction form
    113,891.25/157,179.65 = 63,599.97/x
  3. Step 3: Cross multiply
    113,891.25x = 157,179.65 × 63,599.97
  4. Step 4: Simplify right side
    113,891.25x = 9,996,621,024.61
  5. Step 5: Solve for x
    x = 9,996,621,024.61/113,891.25
  6. Step 6: Final answer
    x = 87,773.39

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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.