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Finding the Fourth Proportional to 79,685.99, 119,501.10 and 23,511.19

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Solution

The fourth proportional to 79,685.99, 119,501.10 and 23,511.19 is: 35,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,685.99 : 119,501.10 = 23,511.19 : x
  2. Step 2: Convert to fraction form
    79,685.99/119,501.10 = 23,511.19/x
  3. Step 3: Cross multiply
    79,685.99x = 119,501.10 × 23,511.19
  4. Step 4: Simplify right side
    79,685.99x = 2,809,612,949.75
  5. Step 5: Solve for x
    x = 2,809,612,949.75/79,685.99
  6. Step 6: Final answer
    x = 35,258.56

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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.