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Finding the Fourth Proportional to 262,843.28, 362,597.28 and 172,160

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Solution

The fourth proportional to 262,843.28, 362,597.28 and 172,160 is: 237,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,843.28 : 362,597.28 = 172,160 : x
  2. Step 2: Convert to fraction form
    262,843.28/362,597.28 = 172,160/x
  3. Step 3: Cross multiply
    262,843.28x = 362,597.28 × 172,160
  4. Step 4: Simplify right side
    262,843.28x = 62,424,747,724.80
  5. Step 5: Solve for x
    x = 62,424,747,724.80/262,843.28
  6. Step 6: Final answer
    x = 237,497.98

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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.