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Finding the Fourth Proportional to 167,553.92, 251,349.20 and 72,718.92

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Solution

The fourth proportional to 167,553.92, 251,349.20 and 72,718.92 is: 109,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553.92 : 251,349.20 = 72,718.92 : x
  2. Step 2: Convert to fraction form
    167,553.92/251,349.20 = 72,718.92/x
  3. Step 3: Cross multiply
    167,553.92x = 251,349.20 × 72,718.92
  4. Step 4: Simplify right side
    167,553.92x = 18,277,842,366.86
  5. Step 5: Solve for x
    x = 18,277,842,366.86/167,553.92
  6. Step 6: Final answer
    x = 109,086.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.