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Finding the Fourth Proportional to 167,665.97, 251,523.90 and 55,358.05

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Solution

The fourth proportional to 167,665.97, 251,523.90 and 55,358.05 is: 83,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,665.97 : 251,523.90 = 55,358.05 : x
  2. Step 2: Convert to fraction form
    167,665.97/251,523.90 = 55,358.05/x
  3. Step 3: Cross multiply
    167,665.97x = 251,523.90 × 55,358.05
  4. Step 4: Simplify right side
    167,665.97x = 13,923,872,632.40
  5. Step 5: Solve for x
    x = 13,923,872,632.40/167,665.97
  6. Step 6: Final answer
    x = 83,045.31

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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.