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Finding the Fourth Proportional to 199,747.72, 299,505.66 and 94,565.80

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Solution

The fourth proportional to 199,747.72, 299,505.66 and 94,565.80 is: 141,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,747.72 : 299,505.66 = 94,565.80 : x
  2. Step 2: Convert to fraction form
    199,747.72/299,505.66 = 94,565.80/x
  3. Step 3: Cross multiply
    199,747.72x = 299,505.66 × 94,565.80
  4. Step 4: Simplify right side
    199,747.72x = 28,322,992,342.43
  5. Step 5: Solve for x
    x = 28,322,992,342.43/199,747.72
  6. Step 6: Final answer
    x = 141,793.82

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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.