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Finding the Fourth Proportional to 163,393.52, 225,483.96 and 91,773.56

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Solution

The fourth proportional to 163,393.52, 225,483.96 and 91,773.56 is: 126,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,393.52 : 225,483.96 = 91,773.56 : x
  2. Step 2: Convert to fraction form
    163,393.52/225,483.96 = 91,773.56/x
  3. Step 3: Cross multiply
    163,393.52x = 225,483.96 × 91,773.56
  4. Step 4: Simplify right side
    163,393.52x = 20,693,465,732.10
  5. Step 5: Solve for x
    x = 20,693,465,732.10/163,393.52
  6. Step 6: Final answer
    x = 126,648.02

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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.