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Finding the Fourth Proportional to 92,716.92, 127,932.26 and 54,482.69

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Solution

The fourth proportional to 92,716.92, 127,932.26 and 54,482.69 is: 75,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.92 : 127,932.26 = 54,482.69 : x
  2. Step 2: Convert to fraction form
    92,716.92/127,932.26 = 54,482.69/x
  3. Step 3: Cross multiply
    92,716.92x = 127,932.26 × 54,482.69
  4. Step 4: Simplify right side
    92,716.92x = 6,970,092,750.50
  5. Step 5: Solve for x
    x = 6,970,092,750.50/92,716.92
  6. Step 6: Final answer
    x = 75,176.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.