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Finding the Fourth Proportional to 68,463.72, 102,702.24 and 26,901

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Solution

The fourth proportional to 68,463.72, 102,702.24 and 26,901 is: 40,354.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,463.72 : 102,702.24 = 26,901 : x
  2. Step 2: Convert to fraction form
    68,463.72/102,702.24 = 26,901/x
  3. Step 3: Cross multiply
    68,463.72x = 102,702.24 × 26,901
  4. Step 4: Simplify right side
    68,463.72x = 2,762,792,958.24
  5. Step 5: Solve for x
    x = 2,762,792,958.24/68,463.72
  6. Step 6: Final answer
    x = 40,354.12

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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.