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Finding the Fourth Proportional to 67,036.20, 100,583.10 and 34,204.20

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Solution

The fourth proportional to 67,036.20, 100,583.10 and 34,204.20 is: 51,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.20 : 100,583.10 = 34,204.20 : x
  2. Step 2: Convert to fraction form
    67,036.20/100,583.10 = 34,204.20/x
  3. Step 3: Cross multiply
    67,036.20x = 100,583.10 × 34,204.20
  4. Step 4: Simplify right side
    67,036.20x = 3,440,364,469.02
  5. Step 5: Solve for x
    x = 3,440,364,469.02/67,036.20
  6. Step 6: Final answer
    x = 51,320.99

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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.