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Finding the Fourth Proportional to 108,960.02, 150,377.02 and 65,963.21

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Solution

The fourth proportional to 108,960.02, 150,377.02 and 65,963.21 is: 91,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,960.02 : 150,377.02 = 65,963.21 : x
  2. Step 2: Convert to fraction form
    108,960.02/150,377.02 = 65,963.21/x
  3. Step 3: Cross multiply
    108,960.02x = 150,377.02 × 65,963.21
  4. Step 4: Simplify right side
    108,960.02x = 9,919,351,249.55
  5. Step 5: Solve for x
    x = 9,919,351,249.55/108,960.02
  6. Step 6: Final answer
    x = 91,036.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.