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Finding the Fourth Proportional to 79,275.75, 118,900.96 and 23,102.71

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Solution

The fourth proportional to 79,275.75, 118,900.96 and 23,102.71 is: 34,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,275.75 : 118,900.96 = 23,102.71 : x
  2. Step 2: Convert to fraction form
    79,275.75/118,900.96 = 23,102.71/x
  3. Step 3: Cross multiply
    79,275.75x = 118,900.96 × 23,102.71
  4. Step 4: Simplify right side
    79,275.75x = 2,746,934,911.10
  5. Step 5: Solve for x
    x = 2,746,934,911.10/79,275.75
  6. Step 6: Final answer
    x = 34,650.38

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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.