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Finding the Fourth Proportional to 281,551.86, 422,283.77 and 92,010.72

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Solution

The fourth proportional to 281,551.86, 422,283.77 and 92,010.72 is: 138,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,551.86 : 422,283.77 = 92,010.72 : x
  2. Step 2: Convert to fraction form
    281,551.86/422,283.77 = 92,010.72/x
  3. Step 3: Cross multiply
    281,551.86x = 422,283.77 × 92,010.72
  4. Step 4: Simplify right side
    281,551.86x = 38,854,634,235.97
  5. Step 5: Solve for x
    x = 38,854,634,235.97/281,551.86
  6. Step 6: Final answer
    x = 138,001.70

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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.