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Finding the Fourth Proportional to 96,880.66, 145,320.95 and 26,759.97

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Solution

The fourth proportional to 96,880.66, 145,320.95 and 26,759.97 is: 40,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,880.66 : 145,320.95 = 26,759.97 : x
  2. Step 2: Convert to fraction form
    96,880.66/145,320.95 = 26,759.97/x
  3. Step 3: Cross multiply
    96,880.66x = 145,320.95 × 26,759.97
  4. Step 4: Simplify right side
    96,880.66x = 3,888,784,329.27
  5. Step 5: Solve for x
    x = 3,888,784,329.27/96,880.66
  6. Step 6: Final answer
    x = 40,139.95

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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.