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Finding the Fourth Proportional to 150,452.61, 207,626.95 and 90,025.80

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Solution

The fourth proportional to 150,452.61, 207,626.95 and 90,025.80 is: 124,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,452.61 : 207,626.95 = 90,025.80 : x
  2. Step 2: Convert to fraction form
    150,452.61/207,626.95 = 90,025.80/x
  3. Step 3: Cross multiply
    150,452.61x = 207,626.95 × 90,025.80
  4. Step 4: Simplify right side
    150,452.61x = 18,691,782,854.70
  5. Step 5: Solve for x
    x = 18,691,782,854.70/150,452.61
  6. Step 6: Final answer
    x = 124,237.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.