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Finding the Fourth Proportional to 101,113.80, 151,658.55 and 41,943.30

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Solution

The fourth proportional to 101,113.80, 151,658.55 and 41,943.30 is: 62,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.80 : 151,658.55 = 41,943.30 : x
  2. Step 2: Convert to fraction form
    101,113.80/151,658.55 = 41,943.30/x
  3. Step 3: Cross multiply
    101,113.80x = 151,658.55 × 41,943.30
  4. Step 4: Simplify right side
    101,113.80x = 6,361,060,060.22
  5. Step 5: Solve for x
    x = 6,361,060,060.22/101,113.80
  6. Step 6: Final answer
    x = 62,909.91

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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.