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Finding the Fourth Proportional to 114,855.80, 158,504.44 and 69,542.08

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Solution

The fourth proportional to 114,855.80, 158,504.44 and 69,542.08 is: 95,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,855.80 : 158,504.44 = 69,542.08 : x
  2. Step 2: Convert to fraction form
    114,855.80/158,504.44 = 69,542.08/x
  3. Step 3: Cross multiply
    114,855.80x = 158,504.44 × 69,542.08
  4. Step 4: Simplify right side
    114,855.80x = 11,022,728,446.84
  5. Step 5: Solve for x
    x = 11,022,728,446.84/114,855.80
  6. Step 6: Final answer
    x = 95,970.15

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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.