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Finding the Fourth Proportional to 173,180.16, 259,770.24 and 79,764.48

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Solution

The fourth proportional to 173,180.16, 259,770.24 and 79,764.48 is: 119,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,180.16 : 259,770.24 = 79,764.48 : x
  2. Step 2: Convert to fraction form
    173,180.16/259,770.24 = 79,764.48/x
  3. Step 3: Cross multiply
    173,180.16x = 259,770.24 × 79,764.48
  4. Step 4: Simplify right side
    173,180.16x = 20,720,438,113.08
  5. Step 5: Solve for x
    x = 20,720,438,113.08/173,180.16
  6. Step 6: Final answer
    x = 119,646.72

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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.