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Finding the Fourth Proportional to 101,147.60, 151,721.40 and 26,267.15

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Solution

The fourth proportional to 101,147.60, 151,721.40 and 26,267.15 is: 39,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,147.60 : 151,721.40 = 26,267.15 : x
  2. Step 2: Convert to fraction form
    101,147.60/151,721.40 = 26,267.15/x
  3. Step 3: Cross multiply
    101,147.60x = 151,721.40 × 26,267.15
  4. Step 4: Simplify right side
    101,147.60x = 3,985,288,772.01
  5. Step 5: Solve for x
    x = 3,985,288,772.01/101,147.60
  6. Step 6: Final answer
    x = 39,400.73

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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.