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Finding the Fourth Proportional to 167,383.68, 230,989.47 and 91,932.18

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Solution

The fourth proportional to 167,383.68, 230,989.47 and 91,932.18 is: 126,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,383.68 : 230,989.47 = 91,932.18 : x
  2. Step 2: Convert to fraction form
    167,383.68/230,989.47 = 91,932.18/x
  3. Step 3: Cross multiply
    167,383.68x = 230,989.47 × 91,932.18
  4. Step 4: Simplify right side
    167,383.68x = 21,235,365,534.14
  5. Step 5: Solve for x
    x = 21,235,365,534.14/167,383.68
  6. Step 6: Final answer
    x = 126,866.40

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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.