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Finding the Fourth Proportional to 192,963.18, 266,290 and 112,445.94

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Solution

The fourth proportional to 192,963.18, 266,290 and 112,445.94 is: 155,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,963.18 : 266,290 = 112,445.94 : x
  2. Step 2: Convert to fraction form
    192,963.18/266,290 = 112,445.94/x
  3. Step 3: Cross multiply
    192,963.18x = 266,290 × 112,445.94
  4. Step 4: Simplify right side
    192,963.18x = 29,943,229,362.60
  5. Step 5: Solve for x
    x = 29,943,229,362.60/192,963.18
  6. Step 6: Final answer
    x = 155,175.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.