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Finding the Fourth Proportional to 79,897.40, 110,253.66 and 44,090.78

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Solution

The fourth proportional to 79,897.40, 110,253.66 and 44,090.78 is: 60,842.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897.40 : 110,253.66 = 44,090.78 : x
  2. Step 2: Convert to fraction form
    79,897.40/110,253.66 = 44,090.78/x
  3. Step 3: Cross multiply
    79,897.40x = 110,253.66 × 44,090.78
  4. Step 4: Simplify right side
    79,897.40x = 4,861,169,867.25
  5. Step 5: Solve for x
    x = 4,861,169,867.25/79,897.40
  6. Step 6: Final answer
    x = 60,842.65

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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.