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Finding the Fourth Proportional to 101,410.80, 152,202.60 and 45,337.20

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Solution

The fourth proportional to 101,410.80, 152,202.60 and 45,337.20 is: 68,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,410.80 : 152,202.60 = 45,337.20 : x
  2. Step 2: Convert to fraction form
    101,410.80/152,202.60 = 45,337.20/x
  3. Step 3: Cross multiply
    101,410.80x = 152,202.60 × 45,337.20
  4. Step 4: Simplify right side
    101,410.80x = 6,900,439,716.72
  5. Step 5: Solve for x
    x = 6,900,439,716.72/101,410.80
  6. Step 6: Final answer
    x = 68,044.43

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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.