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Finding the Fourth Proportional to 372,551.54, 558,821.78 and 92,068.78

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Solution

The fourth proportional to 372,551.54, 558,821.78 and 92,068.78 is: 138,101.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,551.54 : 558,821.78 = 92,068.78 : x
  2. Step 2: Convert to fraction form
    372,551.54/558,821.78 = 92,068.78/x
  3. Step 3: Cross multiply
    372,551.54x = 558,821.78 × 92,068.78
  4. Step 4: Simplify right side
    372,551.54x = 51,450,039,522.03
  5. Step 5: Solve for x
    x = 51,450,039,522.03/372,551.54
  6. Step 6: Final answer
    x = 138,101.80

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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.