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Finding the Fourth Proportional to 92,264.88, 127,318.80 and 54,531.84

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Solution

The fourth proportional to 92,264.88, 127,318.80 and 54,531.84 is: 75,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,264.88 : 127,318.80 = 54,531.84 : x
  2. Step 2: Convert to fraction form
    92,264.88/127,318.80 = 54,531.84/x
  3. Step 3: Cross multiply
    92,264.88x = 127,318.80 × 54,531.84
  4. Step 4: Simplify right side
    92,264.88x = 6,942,928,430.59
  5. Step 5: Solve for x
    x = 6,942,928,430.59/92,264.88
  6. Step 6: Final answer
    x = 75,249.96

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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.