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Finding the Fourth Proportional to 172,248.12, 237,724.26 and 96,796.56

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Solution

The fourth proportional to 172,248.12, 237,724.26 and 96,796.56 is: 133,591.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,248.12 : 237,724.26 = 96,796.56 : x
  2. Step 2: Convert to fraction form
    172,248.12/237,724.26 = 96,796.56/x
  3. Step 3: Cross multiply
    172,248.12x = 237,724.26 × 96,796.56
  4. Step 4: Simplify right side
    172,248.12x = 23,010,890,596.55
  5. Step 5: Solve for x
    x = 23,010,890,596.55/172,248.12
  6. Step 6: Final answer
    x = 133,591.53

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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.