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Finding the Fourth Proportional to 124,765.75, 187,150.26 and 41,659.75

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Solution

The fourth proportional to 124,765.75, 187,150.26 and 41,659.75 is: 62,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765.75 : 187,150.26 = 41,659.75 : x
  2. Step 2: Convert to fraction form
    124,765.75/187,150.26 = 41,659.75/x
  3. Step 3: Cross multiply
    124,765.75x = 187,150.26 × 41,659.75
  4. Step 4: Simplify right side
    124,765.75x = 7,796,633,044.04
  5. Step 5: Solve for x
    x = 7,796,633,044.04/124,765.75
  6. Step 6: Final answer
    x = 62,490.17

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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.