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Finding the Fourth Proportional to 217,578.60, 326,359.68 and 59,802.96

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Solution

The fourth proportional to 217,578.60, 326,359.68 and 59,802.96 is: 89,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,578.60 : 326,359.68 = 59,802.96 : x
  2. Step 2: Convert to fraction form
    217,578.60/326,359.68 = 59,802.96/x
  3. Step 3: Cross multiply
    217,578.60x = 326,359.68 × 59,802.96
  4. Step 4: Simplify right side
    217,578.60x = 19,517,274,888.65
  5. Step 5: Solve for x
    x = 19,517,274,888.65/217,578.60
  6. Step 6: Final answer
    x = 89,702.18

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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.