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Finding the Fourth Proportional to 61,419.75, 92,125.97 and 36,133.48

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Solution

The fourth proportional to 61,419.75, 92,125.97 and 36,133.48 is: 54,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,419.75 : 92,125.97 = 36,133.48 : x
  2. Step 2: Convert to fraction form
    61,419.75/92,125.97 = 36,133.48/x
  3. Step 3: Cross multiply
    61,419.75x = 92,125.97 × 36,133.48
  4. Step 4: Simplify right side
    61,419.75x = 3,328,831,894.48
  5. Step 5: Solve for x
    x = 3,328,831,894.48/61,419.75
  6. Step 6: Final answer
    x = 54,198.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.