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Finding the Fourth Proportional to 71,160.02, 106,736.16 and 36,098.76

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Solution

The fourth proportional to 71,160.02, 106,736.16 and 36,098.76 is: 54,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,160.02 : 106,736.16 = 36,098.76 : x
  2. Step 2: Convert to fraction form
    71,160.02/106,736.16 = 36,098.76/x
  3. Step 3: Cross multiply
    71,160.02x = 106,736.16 × 36,098.76
  4. Step 4: Simplify right side
    71,160.02x = 3,853,043,023.16
  5. Step 5: Solve for x
    x = 3,853,043,023.16/71,160.02
  6. Step 6: Final answer
    x = 54,146.18

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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.