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Finding the Fourth Proportional to 114,995.94, 158,694.12 and 64,694.94

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Solution

The fourth proportional to 114,995.94, 158,694.12 and 64,694.94 is: 89,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,995.94 : 158,694.12 = 64,694.94 : x
  2. Step 2: Convert to fraction form
    114,995.94/158,694.12 = 64,694.94/x
  3. Step 3: Cross multiply
    114,995.94x = 158,694.12 × 64,694.94
  4. Step 4: Simplify right side
    114,995.94x = 10,266,706,571.75
  5. Step 5: Solve for x
    x = 10,266,706,571.75/114,995.94
  6. Step 6: Final answer
    x = 89,278.86

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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.