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Finding the Fourth Proportional to 80,958.79, 121,446.29 and 24,798.25

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Solution

The fourth proportional to 80,958.79, 121,446.29 and 24,798.25 is: 37,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,958.79 : 121,446.29 = 24,798.25 : x
  2. Step 2: Convert to fraction form
    80,958.79/121,446.29 = 24,798.25/x
  3. Step 3: Cross multiply
    80,958.79x = 121,446.29 × 24,798.25
  4. Step 4: Simplify right side
    80,958.79x = 3,011,655,535.31
  5. Step 5: Solve for x
    x = 3,011,655,535.31/80,958.79
  6. Step 6: Final answer
    x = 37,199.86

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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.