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Finding the Fourth Proportional to 79,999.29, 110,396.89 and 44,188.53

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Solution

The fourth proportional to 79,999.29, 110,396.89 and 44,188.53 is: 60,978.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,999.29 : 110,396.89 = 44,188.53 : x
  2. Step 2: Convert to fraction form
    79,999.29/110,396.89 = 44,188.53/x
  3. Step 3: Cross multiply
    79,999.29x = 110,396.89 × 44,188.53
  4. Step 4: Simplify right side
    79,999.29x = 4,878,276,285.67
  5. Step 5: Solve for x
    x = 4,878,276,285.67/79,999.29
  6. Step 6: Final answer
    x = 60,978.99

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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.