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Finding the Fourth Proportional to 68,356.62, 102,472.29 and 23,959.17

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Solution

The fourth proportional to 68,356.62, 102,472.29 and 23,959.17 is: 35,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.62 : 102,472.29 = 23,959.17 : x
  2. Step 2: Convert to fraction form
    68,356.62/102,472.29 = 23,959.17/x
  3. Step 3: Cross multiply
    68,356.62x = 102,472.29 × 23,959.17
  4. Step 4: Simplify right side
    68,356.62x = 2,455,151,016.40
  5. Step 5: Solve for x
    x = 2,455,151,016.40/68,356.62
  6. Step 6: Final answer
    x = 35,916.80

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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.