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Finding the Fourth Proportional to 114,269.50, 157,691.91 and 63,969.58

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Solution

The fourth proportional to 114,269.50, 157,691.91 and 63,969.58 is: 88,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,269.50 : 157,691.91 = 63,969.58 : x
  2. Step 2: Convert to fraction form
    114,269.50/157,691.91 = 63,969.58/x
  3. Step 3: Cross multiply
    114,269.50x = 157,691.91 × 63,969.58
  4. Step 4: Simplify right side
    114,269.50x = 10,087,485,252.10
  5. Step 5: Solve for x
    x = 10,087,485,252.10/114,269.50
  6. Step 6: Final answer
    x = 88,278.02

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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.