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Finding the Fourth Proportional to 192,260, 287,987.84 and 154,616.24

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Solution

The fourth proportional to 192,260, 287,987.84 and 154,616.24 is: 231,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,260 : 287,987.84 = 154,616.24 : x
  2. Step 2: Convert to fraction form
    192,260/287,987.84 = 154,616.24/x
  3. Step 3: Cross multiply
    192,260x = 287,987.84 × 154,616.24
  4. Step 4: Simplify right side
    192,260x = 44,527,596,986.52
  5. Step 5: Solve for x
    x = 44,527,596,986.52/192,260
  6. Step 6: Final answer
    x = 231,600.94

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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.