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Finding the Fourth Proportional to 167,530.97, 231,191.88 and 91,048.85

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Solution

The fourth proportional to 167,530.97, 231,191.88 and 91,048.85 is: 125,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530.97 : 231,191.88 = 91,048.85 : x
  2. Step 2: Convert to fraction form
    167,530.97/231,191.88 = 91,048.85/x
  3. Step 3: Cross multiply
    167,530.97x = 231,191.88 × 91,048.85
  4. Step 4: Simplify right side
    167,530.97x = 21,049,754,803.34
  5. Step 5: Solve for x
    x = 21,049,754,803.34/167,530.97
  6. Step 6: Final answer
    x = 125,646.95

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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.