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Finding the Fourth Proportional to 79,503.87, 119,254.59 and 20,339.04

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Solution

The fourth proportional to 79,503.87, 119,254.59 and 20,339.04 is: 30,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,503.87 : 119,254.59 = 20,339.04 : x
  2. Step 2: Convert to fraction form
    79,503.87/119,254.59 = 20,339.04/x
  3. Step 3: Cross multiply
    79,503.87x = 119,254.59 × 20,339.04
  4. Step 4: Simplify right side
    79,503.87x = 2,425,523,876.19
  5. Step 5: Solve for x
    x = 2,425,523,876.19/79,503.87
  6. Step 6: Final answer
    x = 30,508.25

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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.