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Finding the Fourth Proportional to 68,632.56, 102,951.72 and 24,259.68

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Solution

The fourth proportional to 68,632.56, 102,951.72 and 24,259.68 is: 36,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,632.56 : 102,951.72 = 24,259.68 : x
  2. Step 2: Convert to fraction form
    68,632.56/102,951.72 = 24,259.68/x
  3. Step 3: Cross multiply
    68,632.56x = 102,951.72 × 24,259.68
  4. Step 4: Simplify right side
    68,632.56x = 2,497,575,782.65
  5. Step 5: Solve for x
    x = 2,497,575,782.65/68,632.56
  6. Step 6: Final answer
    x = 36,390.54

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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.