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Finding the Fourth Proportional to 173,170.80, 259,629.48 and 54,775.92

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Solution

The fourth proportional to 173,170.80, 259,629.48 and 54,775.92 is: 82,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,170.80 : 259,629.48 = 54,775.92 : x
  2. Step 2: Convert to fraction form
    173,170.80/259,629.48 = 54,775.92/x
  3. Step 3: Cross multiply
    173,170.80x = 259,629.48 × 54,775.92
  4. Step 4: Simplify right side
    173,170.80x = 14,221,443,626.12
  5. Step 5: Solve for x
    x = 14,221,443,626.12/173,170.80
  6. Step 6: Final answer
    x = 82,123.80

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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.