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Finding the Fourth Proportional to 68,506.57, 102,697.57 and 26,359.77

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Solution

The fourth proportional to 68,506.57, 102,697.57 and 26,359.77 is: 39,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,506.57 : 102,697.57 = 26,359.77 : x
  2. Step 2: Convert to fraction form
    68,506.57/102,697.57 = 26,359.77/x
  3. Step 3: Cross multiply
    68,506.57x = 102,697.57 × 26,359.77
  4. Step 4: Simplify right side
    68,506.57x = 2,707,083,811.27
  5. Step 5: Solve for x
    x = 2,707,083,811.27/68,506.57
  6. Step 6: Final answer
    x = 39,515.68

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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.