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Finding the Fourth Proportional to 67,069.40, 100,604.10 and 66,032.60

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Solution

The fourth proportional to 67,069.40, 100,604.10 and 66,032.60 is: 99,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,069.40 : 100,604.10 = 66,032.60 : x
  2. Step 2: Convert to fraction form
    67,069.40/100,604.10 = 66,032.60/x
  3. Step 3: Cross multiply
    67,069.40x = 100,604.10 × 66,032.60
  4. Step 4: Simplify right side
    67,069.40x = 6,643,150,293.66
  5. Step 5: Solve for x
    x = 6,643,150,293.66/67,069.40
  6. Step 6: Final answer
    x = 99,048.90

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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.