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Finding the Fourth Proportional to 68,953.04, 95,080.74 and 62,916.92

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Solution

The fourth proportional to 68,953.04, 95,080.74 and 62,916.92 is: 86,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,953.04 : 95,080.74 = 62,916.92 : x
  2. Step 2: Convert to fraction form
    68,953.04/95,080.74 = 62,916.92/x
  3. Step 3: Cross multiply
    68,953.04x = 95,080.74 × 62,916.92
  4. Step 4: Simplify right side
    68,953.04x = 5,982,187,312.12
  5. Step 5: Solve for x
    x = 5,982,187,312.12/68,953.04
  6. Step 6: Final answer
    x = 86,757.41

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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.