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Finding the Fourth Proportional to 79,809.30, 110,143.40 and 44,002.71

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Solution

The fourth proportional to 79,809.30, 110,143.40 and 44,002.71 is: 60,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,809.30 : 110,143.40 = 44,002.71 : x
  2. Step 2: Convert to fraction form
    79,809.30/110,143.40 = 44,002.71/x
  3. Step 3: Cross multiply
    79,809.30x = 110,143.40 × 44,002.71
  4. Step 4: Simplify right side
    79,809.30x = 4,846,607,868.60
  5. Step 5: Solve for x
    x = 4,846,607,868.60/79,809.30
  6. Step 6: Final answer
    x = 60,727.36

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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.