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Finding the Fourth Proportional to 92,356.68, 127,452.30 and 49,915.26

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Solution

The fourth proportional to 92,356.68, 127,452.30 and 49,915.26 is: 68,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,356.68 : 127,452.30 = 49,915.26 : x
  2. Step 2: Convert to fraction form
    92,356.68/127,452.30 = 49,915.26/x
  3. Step 3: Cross multiply
    92,356.68x = 127,452.30 × 49,915.26
  4. Step 4: Simplify right side
    92,356.68x = 6,361,814,692.10
  5. Step 5: Solve for x
    x = 6,361,814,692.10/92,356.68
  6. Step 6: Final answer
    x = 68,883.10

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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.