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Finding the Fourth Proportional to 372,693.76, 559,033.89 and 92,210.92

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Solution

The fourth proportional to 372,693.76, 559,033.89 and 92,210.92 is: 138,314.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,693.76 : 559,033.89 = 92,210.92 : x
  2. Step 2: Convert to fraction form
    372,693.76/559,033.89 = 92,210.92/x
  3. Step 3: Cross multiply
    372,693.76x = 559,033.89 × 92,210.92
  4. Step 4: Simplify right side
    372,693.76x = 51,549,029,308.08
  5. Step 5: Solve for x
    x = 51,549,029,308.08/372,693.76
  6. Step 6: Final answer
    x = 138,314.71

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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.