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Finding the Fourth Proportional to 96,694.98, 133,436.97 and 53,671.95

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Solution

The fourth proportional to 96,694.98, 133,436.97 and 53,671.95 is: 74,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,694.98 : 133,436.97 = 53,671.95 : x
  2. Step 2: Convert to fraction form
    96,694.98/133,436.97 = 53,671.95/x
  3. Step 3: Cross multiply
    96,694.98x = 133,436.97 × 53,671.95
  4. Step 4: Simplify right side
    96,694.98x = 7,161,821,446.45
  5. Step 5: Solve for x
    x = 7,161,821,446.45/96,694.98
  6. Step 6: Final answer
    x = 74,066.11

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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.