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Finding the Fourth Proportional to 67,350.80, 101,026.20 and 51,604.40

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Solution

The fourth proportional to 67,350.80, 101,026.20 and 51,604.40 is: 77,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,350.80 : 101,026.20 = 51,604.40 : x
  2. Step 2: Convert to fraction form
    67,350.80/101,026.20 = 51,604.40/x
  3. Step 3: Cross multiply
    67,350.80x = 101,026.20 × 51,604.40
  4. Step 4: Simplify right side
    67,350.80x = 5,213,396,435.28
  5. Step 5: Solve for x
    x = 5,213,396,435.28/67,350.80
  6. Step 6: Final answer
    x = 77,406.60

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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.