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Finding the Fourth Proportional to 96,628, 133,348.02 and 58,382.24

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Solution

The fourth proportional to 96,628, 133,348.02 and 58,382.24 is: 80,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,628 : 133,348.02 = 58,382.24 : x
  2. Step 2: Convert to fraction form
    96,628/133,348.02 = 58,382.24/x
  3. Step 3: Cross multiply
    96,628x = 133,348.02 × 58,382.24
  4. Step 4: Simplify right side
    96,628x = 7,785,156,107.16
  5. Step 5: Solve for x
    x = 7,785,156,107.16/96,628
  6. Step 6: Final answer
    x = 80,568.32

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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.