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Finding the Fourth Proportional to 73,274.20, 109,781.70 and 62,906.20

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Solution

The fourth proportional to 73,274.20, 109,781.70 and 62,906.20 is: 94,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,274.20 : 109,781.70 = 62,906.20 : x
  2. Step 2: Convert to fraction form
    73,274.20/109,781.70 = 62,906.20/x
  3. Step 3: Cross multiply
    73,274.20x = 109,781.70 × 62,906.20
  4. Step 4: Simplify right side
    73,274.20x = 6,905,949,576.54
  5. Step 5: Solve for x
    x = 6,905,949,576.54/73,274.20
  6. Step 6: Final answer
    x = 94,248.04

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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.