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Finding the Fourth Proportional to 163,573.34, 225,732.15 and 91,952.73

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Solution

The fourth proportional to 163,573.34, 225,732.15 and 91,952.73 is: 126,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,573.34 : 225,732.15 = 91,952.73 : x
  2. Step 2: Convert to fraction form
    163,573.34/225,732.15 = 91,952.73/x
  3. Step 3: Cross multiply
    163,573.34x = 225,732.15 × 91,952.73
  4. Step 4: Simplify right side
    163,573.34x = 20,756,687,441.27
  5. Step 5: Solve for x
    x = 20,756,687,441.27/163,573.34
  6. Step 6: Final answer
    x = 126,895.30

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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.