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Finding the Fourth Proportional to 192,243.96, 287,963.82 and 154,600.20

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Solution

The fourth proportional to 192,243.96, 287,963.82 and 154,600.20 is: 231,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,243.96 : 287,963.82 = 154,600.20 : x
  2. Step 2: Convert to fraction form
    192,243.96/287,963.82 = 154,600.20/x
  3. Step 3: Cross multiply
    192,243.96x = 287,963.82 × 154,600.20
  4. Step 4: Simplify right side
    192,243.96x = 44,519,264,164.76
  5. Step 5: Solve for x
    x = 44,519,264,164.76/192,243.96
  6. Step 6: Final answer
    x = 231,576.92

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1.5x scale

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.