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Finding the Fourth Proportional to 217,574.76, 326,363.58 and 59,819.88

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Solution

The fourth proportional to 217,574.76, 326,363.58 and 59,819.88 is: 89,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,574.76 : 326,363.58 = 59,819.88 : x
  2. Step 2: Convert to fraction form
    217,574.76/326,363.58 = 59,819.88/x
  3. Step 3: Cross multiply
    217,574.76x = 326,363.58 × 59,819.88
  4. Step 4: Simplify right side
    217,574.76x = 19,523,030,191.97
  5. Step 5: Solve for x
    x = 19,523,030,191.97/217,574.76
  6. Step 6: Final answer
    x = 89,730.22

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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.