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Finding the Fourth Proportional to 67,400.70, 101,101.05 and 34,223.10

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Solution

The fourth proportional to 67,400.70, 101,101.05 and 34,223.10 is: 51,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.70 : 101,101.05 = 34,223.10 : x
  2. Step 2: Convert to fraction form
    67,400.70/101,101.05 = 34,223.10/x
  3. Step 3: Cross multiply
    67,400.70x = 101,101.05 × 34,223.10
  4. Step 4: Simplify right side
    67,400.70x = 3,459,991,344.26
  5. Step 5: Solve for x
    x = 3,459,991,344.26/67,400.70
  6. Step 6: Final answer
    x = 51,334.65

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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.