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Finding the Fourth Proportional to 124,471.66, 186,600.54 and 45,569.56

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Solution

The fourth proportional to 124,471.66, 186,600.54 and 45,569.56 is: 68,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,471.66 : 186,600.54 = 45,569.56 : x
  2. Step 2: Convert to fraction form
    124,471.66/186,600.54 = 45,569.56/x
  3. Step 3: Cross multiply
    124,471.66x = 186,600.54 × 45,569.56
  4. Step 4: Simplify right side
    124,471.66x = 8,503,304,503.56
  5. Step 5: Solve for x
    x = 8,503,304,503.56/124,471.66
  6. Step 6: Final answer
    x = 68,315.19

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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.