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Finding the Fourth Proportional to 73,778.48, 110,667.48 and 44,205.20

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Solution

The fourth proportional to 73,778.48, 110,667.48 and 44,205.20 is: 66,307.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.48 : 110,667.48 = 44,205.20 : x
  2. Step 2: Convert to fraction form
    73,778.48/110,667.48 = 44,205.20/x
  3. Step 3: Cross multiply
    73,778.48x = 110,667.48 × 44,205.20
  4. Step 4: Simplify right side
    73,778.48x = 4,892,078,086.90
  5. Step 5: Solve for x
    x = 4,892,078,086.90/73,778.48
  6. Step 6: Final answer
    x = 66,307.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.