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Finding the Fourth Proportional to 372,553.48, 558,824.78 and 92,070.76

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Solution

The fourth proportional to 372,553.48, 558,824.78 and 92,070.76 is: 138,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,553.48 : 558,824.78 = 92,070.76 : x
  2. Step 2: Convert to fraction form
    372,553.48/558,824.78 = 92,070.76/x
  3. Step 3: Cross multiply
    372,553.48x = 558,824.78 × 92,070.76
  4. Step 4: Simplify right side
    372,553.48x = 51,451,422,201.43
  5. Step 5: Solve for x
    x = 51,451,422,201.43/372,553.48
  6. Step 6: Final answer
    x = 138,104.80

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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.