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Finding the Fourth Proportional to 372,557.56, 558,830.82 and 92,074.72

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Solution

The fourth proportional to 372,557.56, 558,830.82 and 92,074.72 is: 138,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,557.56 : 558,830.82 = 92,074.72 : x
  2. Step 2: Convert to fraction form
    372,557.56/558,830.82 = 92,074.72/x
  3. Step 3: Cross multiply
    372,557.56x = 558,830.82 × 92,074.72
  4. Step 4: Simplify right side
    372,557.56x = 51,454,191,278.87
  5. Step 5: Solve for x
    x = 51,454,191,278.87/372,557.56
  6. Step 6: Final answer
    x = 138,110.72

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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.