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Finding the Fourth Proportional to 79,881.40, 110,234.48 and 44,071.40

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Solution

The fourth proportional to 79,881.40, 110,234.48 and 44,071.40 is: 60,817.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,881.40 : 110,234.48 = 44,071.40 : x
  2. Step 2: Convert to fraction form
    79,881.40/110,234.48 = 44,071.40/x
  3. Step 3: Cross multiply
    79,881.40x = 110,234.48 × 44,071.40
  4. Step 4: Simplify right side
    79,881.40x = 4,858,187,090.34
  5. Step 5: Solve for x
    x = 4,858,187,090.34/79,881.40
  6. Step 6: Final answer
    x = 60,817.50

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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.