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Finding the Fourth Proportional to 92,671.68, 127,900.59 and 58,683.27

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Solution

The fourth proportional to 92,671.68, 127,900.59 and 58,683.27 is: 80,991.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,671.68 : 127,900.59 = 58,683.27 : x
  2. Step 2: Convert to fraction form
    92,671.68/127,900.59 = 58,683.27/x
  3. Step 3: Cross multiply
    92,671.68x = 127,900.59 × 58,683.27
  4. Step 4: Simplify right side
    92,671.68x = 7,505,625,115.69
  5. Step 5: Solve for x
    x = 7,505,625,115.69/92,671.68
  6. Step 6: Final answer
    x = 80,991.57

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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.