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Finding the Fourth Proportional to 167,122.78, 250,666.32 and 47,176.78

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Solution

The fourth proportional to 167,122.78, 250,666.32 and 47,176.78 is: 70,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,122.78 : 250,666.32 = 47,176.78 : x
  2. Step 2: Convert to fraction form
    167,122.78/250,666.32 = 47,176.78/x
  3. Step 3: Cross multiply
    167,122.78x = 250,666.32 × 47,176.78
  4. Step 4: Simplify right side
    167,122.78x = 11,825,629,832.05
  5. Step 5: Solve for x
    x = 11,825,629,832.05/167,122.78
  6. Step 6: Final answer
    x = 70,760.13

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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.