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Finding the Fourth Proportional to 79,920.68, 119,860.20 and 23,747.58

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Solution

The fourth proportional to 79,920.68, 119,860.20 and 23,747.58 is: 35,615.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,920.68 : 119,860.20 = 23,747.58 : x
  2. Step 2: Convert to fraction form
    79,920.68/119,860.20 = 23,747.58/x
  3. Step 3: Cross multiply
    79,920.68x = 119,860.20 × 23,747.58
  4. Step 4: Simplify right side
    79,920.68x = 2,846,389,688.32
  5. Step 5: Solve for x
    x = 2,846,389,688.32/79,920.68
  6. Step 6: Final answer
    x = 35,615.19

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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.