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Finding the Fourth Proportional to 79,076.76, 118,627.50 and 34,110.88

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Solution

The fourth proportional to 79,076.76, 118,627.50 and 34,110.88 is: 51,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.76 : 118,627.50 = 34,110.88 : x
  2. Step 2: Convert to fraction form
    79,076.76/118,627.50 = 34,110.88/x
  3. Step 3: Cross multiply
    79,076.76x = 118,627.50 × 34,110.88
  4. Step 4: Simplify right side
    79,076.76x = 4,046,488,417.20
  5. Step 5: Solve for x
    x = 4,046,488,417.20/79,076.76
  6. Step 6: Final answer
    x = 51,171.65

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