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Finding the Fourth Proportional to 85,241.60, 127,862.22 and 22,912.10

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Solution

The fourth proportional to 85,241.60, 127,862.22 and 22,912.10 is: 34,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,241.60 : 127,862.22 = 22,912.10 : x
  2. Step 2: Convert to fraction form
    85,241.60/127,862.22 = 22,912.10/x
  3. Step 3: Cross multiply
    85,241.60x = 127,862.22 × 22,912.10
  4. Step 4: Simplify right side
    85,241.60x = 2,929,591,970.86
  5. Step 5: Solve for x
    x = 2,929,591,970.86/85,241.60
  6. Step 6: Final answer
    x = 34,368.10

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1.5x scale

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.