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Finding the Fourth Proportional to 79,601.80, 119,229.90 and 51,608.20

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Solution

The fourth proportional to 79,601.80, 119,229.90 and 51,608.20 is: 77,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.80 : 119,229.90 = 51,608.20 : x
  2. Step 2: Convert to fraction form
    79,601.80/119,229.90 = 51,608.20/x
  3. Step 3: Cross multiply
    79,601.80x = 119,229.90 × 51,608.20
  4. Step 4: Simplify right side
    79,601.80x = 6,153,240,525.18
  5. Step 5: Solve for x
    x = 6,153,240,525.18/79,601.80
  6. Step 6: Final answer
    x = 77,300.27

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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.