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Finding the Fourth Proportional to 90,453.88, 124,834.02 and 50,180.62

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Solution

The fourth proportional to 90,453.88, 124,834.02 and 50,180.62 is: 69,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453.88 : 124,834.02 = 50,180.62 : x
  2. Step 2: Convert to fraction form
    90,453.88/124,834.02 = 50,180.62/x
  3. Step 3: Cross multiply
    90,453.88x = 124,834.02 × 50,180.62
  4. Step 4: Simplify right side
    90,453.88x = 6,264,248,520.69
  5. Step 5: Solve for x
    x = 6,264,248,520.69/90,453.88
  6. Step 6: Final answer
    x = 69,253.51

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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.