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Finding the Fourth Proportional to 90,098.88, 124,337.28 and 49,810.56

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Solution

The fourth proportional to 90,098.88, 124,337.28 and 49,810.56 is: 68,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.88 : 124,337.28 = 49,810.56 : x
  2. Step 2: Convert to fraction form
    90,098.88/124,337.28 = 49,810.56/x
  3. Step 3: Cross multiply
    90,098.88x = 124,337.28 × 49,810.56
  4. Step 4: Simplify right side
    90,098.88x = 6,193,309,545.68
  5. Step 5: Solve for x
    x = 6,193,309,545.68/90,098.88
  6. Step 6: Final answer
    x = 68,739.03

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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.