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Finding the Fourth Proportional to 79,132.95, 118,680.80 and 22,958.24

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Solution

The fourth proportional to 79,132.95, 118,680.80 and 22,958.24 is: 34,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,132.95 : 118,680.80 = 22,958.24 : x
  2. Step 2: Convert to fraction form
    79,132.95/118,680.80 = 22,958.24/x
  3. Step 3: Cross multiply
    79,132.95x = 118,680.80 × 22,958.24
  4. Step 4: Simplify right side
    79,132.95x = 2,724,701,581.60
  5. Step 5: Solve for x
    x = 2,724,701,581.60/79,132.95
  6. Step 6: Final answer
    x = 34,431.95

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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.