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Finding the Fourth Proportional to 372,646.17, 558,962.78 and 92,163.42

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Solution

The fourth proportional to 372,646.17, 558,962.78 and 92,163.42 is: 138,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,646.17 : 558,962.78 = 92,163.42 : x
  2. Step 2: Convert to fraction form
    372,646.17/558,962.78 = 92,163.42/x
  3. Step 3: Cross multiply
    372,646.17x = 558,962.78 × 92,163.42
  4. Step 4: Simplify right side
    372,646.17x = 51,515,920,996.69
  5. Step 5: Solve for x
    x = 51,515,920,996.69/372,646.17
  6. Step 6: Final answer
    x = 138,243.53

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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.