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Finding the Fourth Proportional to 71,101.24, 106,338.14 and 63,258.78

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Solution

The fourth proportional to 71,101.24, 106,338.14 and 63,258.78 is: 94,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,101.24 : 106,338.14 = 63,258.78 : x
  2. Step 2: Convert to fraction form
    71,101.24/106,338.14 = 63,258.78/x
  3. Step 3: Cross multiply
    71,101.24x = 106,338.14 × 63,258.78
  4. Step 4: Simplify right side
    71,101.24x = 6,726,821,003.87
  5. Step 5: Solve for x
    x = 6,726,821,003.87/71,101.24
  6. Step 6: Final answer
    x = 94,609.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.