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Finding the Fourth Proportional to 124,763.75, 187,147.25 and 41,657.75

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Solution

The fourth proportional to 124,763.75, 187,147.25 and 41,657.75 is: 62,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763.75 : 187,147.25 = 41,657.75 : x
  2. Step 2: Convert to fraction form
    124,763.75/187,147.25 = 41,657.75/x
  3. Step 3: Cross multiply
    124,763.75x = 187,147.25 × 41,657.75
  4. Step 4: Simplify right side
    124,763.75x = 7,796,133,353.69
  5. Step 5: Solve for x
    x = 7,796,133,353.69/124,763.75
  6. Step 6: Final answer
    x = 62,487.17

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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.