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Finding the Fourth Proportional to 92,599.76, 127,781.02 and 54,360.86

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Solution

The fourth proportional to 92,599.76, 127,781.02 and 54,360.86 is: 75,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,599.76 : 127,781.02 = 54,360.86 : x
  2. Step 2: Convert to fraction form
    92,599.76/127,781.02 = 54,360.86/x
  3. Step 3: Cross multiply
    92,599.76x = 127,781.02 × 54,360.86
  4. Step 4: Simplify right side
    92,599.76x = 6,946,286,138.88
  5. Step 5: Solve for x
    x = 6,946,286,138.88/92,599.76
  6. Step 6: Final answer
    x = 75,014.08

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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.