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Finding the Fourth Proportional to 92,125.97, 138,180.98 and 56,093.12

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Solution

The fourth proportional to 92,125.97, 138,180.98 and 56,093.12 is: 84,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,125.97 : 138,180.98 = 56,093.12 : x
  2. Step 2: Convert to fraction form
    92,125.97/138,180.98 = 56,093.12/x
  3. Step 3: Cross multiply
    92,125.97x = 138,180.98 × 56,093.12
  4. Step 4: Simplify right side
    92,125.97x = 7,751,001,601.95
  5. Step 5: Solve for x
    x = 7,751,001,601.95/92,125.97
  6. Step 6: Final answer
    x = 84,134.82

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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.