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Finding the Fourth Proportional to 91,825.60, 137,738.40 and 32,663.20

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Solution

The fourth proportional to 91,825.60, 137,738.40 and 32,663.20 is: 48,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,825.60 : 137,738.40 = 32,663.20 : x
  2. Step 2: Convert to fraction form
    91,825.60/137,738.40 = 32,663.20/x
  3. Step 3: Cross multiply
    91,825.60x = 137,738.40 × 32,663.20
  4. Step 4: Simplify right side
    91,825.60x = 4,498,976,906.88
  5. Step 5: Solve for x
    x = 4,498,976,906.88/91,825.60
  6. Step 6: Final answer
    x = 48,994.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.