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Finding the Fourth Proportional to 372,552.54, 558,823.28 and 92,069.78

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Solution

The fourth proportional to 372,552.54, 558,823.28 and 92,069.78 is: 138,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,552.54 : 558,823.28 = 92,069.78 : x
  2. Step 2: Convert to fraction form
    372,552.54/558,823.28 = 92,069.78/x
  3. Step 3: Cross multiply
    372,552.54x = 558,823.28 × 92,069.78
  4. Step 4: Simplify right side
    372,552.54x = 51,450,736,448.48
  5. Step 5: Solve for x
    x = 51,450,736,448.48/372,552.54
  6. Step 6: Final answer
    x = 138,103.30

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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.