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Finding the Fourth Proportional to 87,551.01, 120,820.95 and 49,825.26

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Solution

The fourth proportional to 87,551.01, 120,820.95 and 49,825.26 is: 68,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,551.01 : 120,820.95 = 49,825.26 : x
  2. Step 2: Convert to fraction form
    87,551.01/120,820.95 = 49,825.26/x
  3. Step 3: Cross multiply
    87,551.01x = 120,820.95 × 49,825.26
  4. Step 4: Simplify right side
    87,551.01x = 6,019,935,247.20
  5. Step 5: Solve for x
    x = 6,019,935,247.20/87,551.01
  6. Step 6: Final answer
    x = 68,759.18

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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.