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Finding the Fourth Proportional to 372,886.74, 559,335.78 and 92,404.26

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Solution

The fourth proportional to 372,886.74, 559,335.78 and 92,404.26 is: 138,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,886.74 : 559,335.78 = 92,404.26 : x
  2. Step 2: Convert to fraction form
    372,886.74/559,335.78 = 92,404.26/x
  3. Step 3: Cross multiply
    372,886.74x = 559,335.78 × 92,404.26
  4. Step 4: Simplify right side
    372,886.74x = 51,685,008,842.42
  5. Step 5: Solve for x
    x = 51,685,008,842.42/372,886.74
  6. Step 6: Final answer
    x = 138,607.80

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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.