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Finding the Fourth Proportional to 69,200.40, 103,800.60 and 60,452.40

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Solution

The fourth proportional to 69,200.40, 103,800.60 and 60,452.40 is: 90,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200.40 : 103,800.60 = 60,452.40 : x
  2. Step 2: Convert to fraction form
    69,200.40/103,800.60 = 60,452.40/x
  3. Step 3: Cross multiply
    69,200.40x = 103,800.60 × 60,452.40
  4. Step 4: Simplify right side
    69,200.40x = 6,274,995,391.44
  5. Step 5: Solve for x
    x = 6,274,995,391.44/69,200.40
  6. Step 6: Final answer
    x = 90,678.60

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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.