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Finding the Fourth Proportional to 192,466.15, 288,680.64 and 59,310.65

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Solution

The fourth proportional to 192,466.15, 288,680.64 and 59,310.65 is: 88,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,466.15 : 288,680.64 = 59,310.65 : x
  2. Step 2: Convert to fraction form
    192,466.15/288,680.64 = 59,310.65/x
  3. Step 3: Cross multiply
    192,466.15x = 288,680.64 × 59,310.65
  4. Step 4: Simplify right side
    192,466.15x = 17,121,836,400.82
  5. Step 5: Solve for x
    x = 17,121,836,400.82/192,466.15
  6. Step 6: Final answer
    x = 88,960.25

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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.