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Finding the Fourth Proportional to 167,697.88, 251,571.52 and 55,389.76

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Solution

The fourth proportional to 167,697.88, 251,571.52 and 55,389.76 is: 83,092.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,697.88 : 251,571.52 = 55,389.76 : x
  2. Step 2: Convert to fraction form
    167,697.88/251,571.52 = 55,389.76/x
  3. Step 3: Cross multiply
    167,697.88x = 251,571.52 × 55,389.76
  4. Step 4: Simplify right side
    167,697.88x = 13,934,486,115.64
  5. Step 5: Solve for x
    x = 13,934,486,115.64/167,697.88
  6. Step 6: Final answer
    x = 83,092.80

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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.