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Finding the Fourth Proportional to 217,251.30, 325,899.42 and 59,479.74

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Solution

The fourth proportional to 217,251.30, 325,899.42 and 59,479.74 is: 89,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,251.30 : 325,899.42 = 59,479.74 : x
  2. Step 2: Convert to fraction form
    217,251.30/325,899.42 = 59,479.74/x
  3. Step 3: Cross multiply
    217,251.30x = 325,899.42 × 59,479.74
  4. Step 4: Simplify right side
    217,251.30x = 19,384,412,767.75
  5. Step 5: Solve for x
    x = 19,384,412,767.75/217,251.30
  6. Step 6: Final answer
    x = 89,225.76

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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.