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Finding the Fourth Proportional to 92,344.72, 127,540.80 and 62,077.56

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Solution

The fourth proportional to 92,344.72, 127,540.80 and 62,077.56 is: 85,737.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,344.72 : 127,540.80 = 62,077.56 : x
  2. Step 2: Convert to fraction form
    92,344.72/127,540.80 = 62,077.56/x
  3. Step 3: Cross multiply
    92,344.72x = 127,540.80 × 62,077.56
  4. Step 4: Simplify right side
    92,344.72x = 7,917,421,664.45
  5. Step 5: Solve for x
    x = 7,917,421,664.45/92,344.72
  6. Step 6: Final answer
    x = 85,737.68

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1.5x scale

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.