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Finding the Fourth Proportional to 68,389.84, 102,590.63 and 24,012.77

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Solution

The fourth proportional to 68,389.84, 102,590.63 and 24,012.77 is: 36,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.84 : 102,590.63 = 24,012.77 : x
  2. Step 2: Convert to fraction form
    68,389.84/102,590.63 = 24,012.77/x
  3. Step 3: Cross multiply
    68,389.84x = 102,590.63 × 24,012.77
  4. Step 4: Simplify right side
    68,389.84x = 2,463,485,082.28
  5. Step 5: Solve for x
    x = 2,463,485,082.28/68,389.84
  6. Step 6: Final answer
    x = 36,021.22

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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.