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Finding the Fourth Proportional to 92,261.68, 127,344.87 and 60,076.64

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Solution

The fourth proportional to 92,261.68, 127,344.87 and 60,076.64 is: 82,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,261.68 : 127,344.87 = 60,076.64 : x
  2. Step 2: Convert to fraction form
    92,261.68/127,344.87 = 60,076.64/x
  3. Step 3: Cross multiply
    92,261.68x = 127,344.87 × 60,076.64
  4. Step 4: Simplify right side
    92,261.68x = 7,650,451,274.11
  5. Step 5: Solve for x
    x = 7,650,451,274.11/92,261.68
  6. Step 6: Final answer
    x = 82,921.22

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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.