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Finding the Fourth Proportional to 68,497.80, 102,675.24 and 26,366.28

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Solution

The fourth proportional to 68,497.80, 102,675.24 and 26,366.28 is: 39,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.80 : 102,675.24 = 26,366.28 : x
  2. Step 2: Convert to fraction form
    68,497.80/102,675.24 = 26,366.28/x
  3. Step 3: Cross multiply
    68,497.80x = 102,675.24 × 26,366.28
  4. Step 4: Simplify right side
    68,497.80x = 2,707,164,126.91
  5. Step 5: Solve for x
    x = 2,707,164,126.91/68,497.80
  6. Step 6: Final answer
    x = 39,521.91

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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.