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Finding the Fourth Proportional to 69,575.96, 95,978.04 and 49,440.98

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Solution

The fourth proportional to 69,575.96, 95,978.04 and 49,440.98 is: 68,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,575.96 : 95,978.04 = 49,440.98 : x
  2. Step 2: Convert to fraction form
    69,575.96/95,978.04 = 49,440.98/x
  3. Step 3: Cross multiply
    69,575.96x = 95,978.04 × 49,440.98
  4. Step 4: Simplify right side
    69,575.96x = 4,745,248,356.08
  5. Step 5: Solve for x
    x = 4,745,248,356.08/69,575.96
  6. Step 6: Final answer
    x = 68,202.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.