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Finding the Fourth Proportional to 108,348.75, 149,517.50 and 59,949.90

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Solution

The fourth proportional to 108,348.75, 149,517.50 and 59,949.90 is: 82,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,348.75 : 149,517.50 = 59,949.90 : x
  2. Step 2: Convert to fraction form
    108,348.75/149,517.50 = 59,949.90/x
  3. Step 3: Cross multiply
    108,348.75x = 149,517.50 × 59,949.90
  4. Step 4: Simplify right side
    108,348.75x = 8,963,558,873.50
  5. Step 5: Solve for x
    x = 8,963,558,873.50/108,348.75
  6. Step 6: Final answer
    x = 82,728.77

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1.5x scale

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.