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Finding the Fourth Proportional to 68,971.77, 103,465.76 and 24,604.83

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Solution

The fourth proportional to 68,971.77, 103,465.76 and 24,604.83 is: 36,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,971.77 : 103,465.76 = 24,604.83 : x
  2. Step 2: Convert to fraction form
    68,971.77/103,465.76 = 24,604.83/x
  3. Step 3: Cross multiply
    68,971.77x = 103,465.76 × 24,604.83
  4. Step 4: Simplify right side
    68,971.77x = 2,545,757,312.60
  5. Step 5: Solve for x
    x = 2,545,757,312.60/68,971.77
  6. Step 6: Final answer
    x = 36,910.13

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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.