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Finding the Fourth Proportional to 91,694.76, 137,512.98 and 35,530.98

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Solution

The fourth proportional to 91,694.76, 137,512.98 and 35,530.98 is: 53,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,694.76 : 137,512.98 = 35,530.98 : x
  2. Step 2: Convert to fraction form
    91,694.76/137,512.98 = 35,530.98/x
  3. Step 3: Cross multiply
    91,694.76x = 137,512.98 × 35,530.98
  4. Step 4: Simplify right side
    91,694.76x = 4,885,970,942.12
  5. Step 5: Solve for x
    x = 4,885,970,942.12/91,694.76
  6. Step 6: Final answer
    x = 53,285.17

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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.