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Finding the Fourth Proportional to 372,227.10, 558,340.65 and 91,744.35

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Solution

The fourth proportional to 372,227.10, 558,340.65 and 91,744.35 is: 137,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,227.10 : 558,340.65 = 91,744.35 : x
  2. Step 2: Convert to fraction form
    372,227.10/558,340.65 = 91,744.35/x
  3. Step 3: Cross multiply
    372,227.10x = 558,340.65 × 91,744.35
  4. Step 4: Simplify right side
    372,227.10x = 51,224,600,012.83
  5. Step 5: Solve for x
    x = 51,224,600,012.83/372,227.10
  6. Step 6: Final answer
    x = 137,616.53

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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.