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Finding the Fourth Proportional to 79,960.96, 119,920.48 and 23,785.96

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Solution

The fourth proportional to 79,960.96, 119,920.48 and 23,785.96 is: 35,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.96 : 119,920.48 = 23,785.96 : x
  2. Step 2: Convert to fraction form
    79,960.96/119,920.48 = 23,785.96/x
  3. Step 3: Cross multiply
    79,960.96x = 119,920.48 × 23,785.96
  4. Step 4: Simplify right side
    79,960.96x = 2,852,423,740.46
  5. Step 5: Solve for x
    x = 2,852,423,740.46/79,960.96
  6. Step 6: Final answer
    x = 35,672.71

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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.