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Finding the Fourth Proportional to 167,553.90, 251,330.85 and 159,777.90

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Solution

The fourth proportional to 167,553.90, 251,330.85 and 159,777.90 is: 239,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553.90 : 251,330.85 = 159,777.90 : x
  2. Step 2: Convert to fraction form
    167,553.90/251,330.85 = 159,777.90/x
  3. Step 3: Cross multiply
    167,553.90x = 251,330.85 × 159,777.90
  4. Step 4: Simplify right side
    167,553.90x = 40,157,115,418.22
  5. Step 5: Solve for x
    x = 40,157,115,418.22/167,553.90
  6. Step 6: Final answer
    x = 239,666.85

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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.