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Finding the Fourth Proportional to 80,504.40, 120,526.20 and 49,400.40

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Solution

The fourth proportional to 80,504.40, 120,526.20 and 49,400.40 is: 73,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504.40 : 120,526.20 = 49,400.40 : x
  2. Step 2: Convert to fraction form
    80,504.40/120,526.20 = 49,400.40/x
  3. Step 3: Cross multiply
    80,504.40x = 120,526.20 × 49,400.40
  4. Step 4: Simplify right side
    80,504.40x = 5,954,042,490.48
  5. Step 5: Solve for x
    x = 5,954,042,490.48/80,504.40
  6. Step 6: Final answer
    x = 73,959.22

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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.