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Finding the Fourth Proportional to 111,796.80, 154,283.04 and 60,813.24

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Solution

The fourth proportional to 111,796.80, 154,283.04 and 60,813.24 is: 83,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,796.80 : 154,283.04 = 60,813.24 : x
  2. Step 2: Convert to fraction form
    111,796.80/154,283.04 = 60,813.24/x
  3. Step 3: Cross multiply
    111,796.80x = 154,283.04 × 60,813.24
  4. Step 4: Simplify right side
    111,796.80x = 9,382,451,539.45
  5. Step 5: Solve for x
    x = 9,382,451,539.45/111,796.80
  6. Step 6: Final answer
    x = 83,924.15

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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.