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Finding the Fourth Proportional to 80,958.60, 121,446 and 24,798.06

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Solution

The fourth proportional to 80,958.60, 121,446 and 24,798.06 is: 37,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,958.60 : 121,446 = 24,798.06 : x
  2. Step 2: Convert to fraction form
    80,958.60/121,446 = 24,798.06/x
  3. Step 3: Cross multiply
    80,958.60x = 121,446 × 24,798.06
  4. Step 4: Simplify right side
    80,958.60x = 3,011,625,194.76
  5. Step 5: Solve for x
    x = 3,011,625,194.76/80,958.60
  6. Step 6: Final answer
    x = 37,199.57

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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.