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Finding the Fourth Proportional to 79,863.18, 119,819.74 and 23,703.58

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Solution

The fourth proportional to 79,863.18, 119,819.74 and 23,703.58 is: 35,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.18 : 119,819.74 = 23,703.58 : x
  2. Step 2: Convert to fraction form
    79,863.18/119,819.74 = 23,703.58/x
  3. Step 3: Cross multiply
    79,863.18x = 119,819.74 × 23,703.58
  4. Step 4: Simplify right side
    79,863.18x = 2,840,156,792.67
  5. Step 5: Solve for x
    x = 2,840,156,792.67/79,863.18
  6. Step 6: Final answer
    x = 35,562.78

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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.