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Finding the Fourth Proportional to 68,095.89, 102,143.43 and 26,542.89

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Solution

The fourth proportional to 68,095.89, 102,143.43 and 26,542.89 is: 39,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,095.89 : 102,143.43 = 26,542.89 : x
  2. Step 2: Convert to fraction form
    68,095.89/102,143.43 = 26,542.89/x
  3. Step 3: Cross multiply
    68,095.89x = 102,143.43 × 26,542.89
  4. Step 4: Simplify right side
    68,095.89x = 2,711,181,826.71
  5. Step 5: Solve for x
    x = 2,711,181,826.71/68,095.89
  6. Step 6: Final answer
    x = 39,814.18

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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.