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Finding the Fourth Proportional to 203,049.96, 279,708.24 and 172,738.12

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Solution

The fourth proportional to 203,049.96, 279,708.24 and 172,738.12 is: 237,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,049.96 : 279,708.24 = 172,738.12 : x
  2. Step 2: Convert to fraction form
    203,049.96/279,708.24 = 172,738.12/x
  3. Step 3: Cross multiply
    203,049.96x = 279,708.24 × 172,738.12
  4. Step 4: Simplify right side
    203,049.96x = 48,316,275,526.11
  5. Step 5: Solve for x
    x = 48,316,275,526.11/203,049.96
  6. Step 6: Final answer
    x = 237,952.65

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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.