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Finding the Fourth Proportional to 125,597.48, 188,355.90 and 55,475.24

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Solution

The fourth proportional to 125,597.48, 188,355.90 and 55,475.24 is: 83,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,597.48 : 188,355.90 = 55,475.24 : x
  2. Step 2: Convert to fraction form
    125,597.48/188,355.90 = 55,475.24/x
  3. Step 3: Cross multiply
    125,597.48x = 188,355.90 × 55,475.24
  4. Step 4: Simplify right side
    125,597.48x = 10,449,088,757.92
  5. Step 5: Solve for x
    x = 10,449,088,757.92/125,597.48
  6. Step 6: Final answer
    x = 83,195.05

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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.