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Finding the Fourth Proportional to 372,962.86, 559,443.68 and 92,480.10

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Solution

The fourth proportional to 372,962.86, 559,443.68 and 92,480.10 is: 138,720.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,962.86 : 559,443.68 = 92,480.10 : x
  2. Step 2: Convert to fraction form
    372,962.86/559,443.68 = 92,480.10/x
  3. Step 3: Cross multiply
    372,962.86x = 559,443.68 × 92,480.10
  4. Step 4: Simplify right side
    372,962.86x = 51,737,407,470.77
  5. Step 5: Solve for x
    x = 51,737,407,470.77/372,962.86
  6. Step 6: Final answer
    x = 138,720.00

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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.