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Finding the Fourth Proportional to 90,401, 124,753.38 and 52,675.24

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Solution

The fourth proportional to 90,401, 124,753.38 and 52,675.24 is: 72,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,401 : 124,753.38 = 52,675.24 : x
  2. Step 2: Convert to fraction form
    90,401/124,753.38 = 52,675.24/x
  3. Step 3: Cross multiply
    90,401x = 124,753.38 × 52,675.24
  4. Step 4: Simplify right side
    90,401x = 6,571,414,232.31
  5. Step 5: Solve for x
    x = 6,571,414,232.31/90,401
  6. Step 6: Final answer
    x = 72,691.83

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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.