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Finding the Fourth Proportional to 92,602.93, 127,789.42 and 54,361.87

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Solution

The fourth proportional to 92,602.93, 127,789.42 and 54,361.87 is: 75,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,602.93 : 127,789.42 = 54,361.87 : x
  2. Step 2: Convert to fraction form
    92,602.93/127,789.42 = 54,361.87/x
  3. Step 3: Cross multiply
    92,602.93x = 127,789.42 × 54,361.87
  4. Step 4: Simplify right side
    92,602.93x = 6,946,871,040.50
  5. Step 5: Solve for x
    x = 6,946,871,040.50/92,602.93
  6. Step 6: Final answer
    x = 75,017.83

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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.