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Finding the Fourth Proportional to 79,855, 110,200.40 and 44,045.96

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Solution

The fourth proportional to 79,855, 110,200.40 and 44,045.96 is: 60,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,855 : 110,200.40 = 44,045.96 : x
  2. Step 2: Convert to fraction form
    79,855/110,200.40 = 44,045.96/x
  3. Step 3: Cross multiply
    79,855x = 110,200.40 × 44,045.96
  4. Step 4: Simplify right side
    79,855x = 4,853,882,410.38
  5. Step 5: Solve for x
    x = 4,853,882,410.38/79,855
  6. Step 6: Final answer
    x = 60,783.70

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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.