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Finding the Fourth Proportional to 124,505.76, 186,760.24 and 41,399.76

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Solution

The fourth proportional to 124,505.76, 186,760.24 and 41,399.76 is: 62,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,505.76 : 186,760.24 = 41,399.76 : x
  2. Step 2: Convert to fraction form
    124,505.76/186,760.24 = 41,399.76/x
  3. Step 3: Cross multiply
    124,505.76x = 186,760.24 × 41,399.76
  4. Step 4: Simplify right side
    124,505.76x = 7,731,829,113.54
  5. Step 5: Solve for x
    x = 7,731,829,113.54/124,505.76
  6. Step 6: Final answer
    x = 62,100.17

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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.