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Finding the Fourth Proportional to 167,230.61, 230,777.08 and 90,747.76

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Solution

The fourth proportional to 167,230.61, 230,777.08 and 90,747.76 is: 125,231.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,230.61 : 230,777.08 = 90,747.76 : x
  2. Step 2: Convert to fraction form
    167,230.61/230,777.08 = 90,747.76/x
  3. Step 3: Cross multiply
    167,230.61x = 230,777.08 × 90,747.76
  4. Step 4: Simplify right side
    167,230.61x = 20,942,503,069.34
  5. Step 5: Solve for x
    x = 20,942,503,069.34/167,230.61
  6. Step 6: Final answer
    x = 125,231.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.