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Finding the Fourth Proportional to 188,891.00, 260,687.97 and 141,061.31

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Solution

The fourth proportional to 188,891.00, 260,687.97 and 141,061.31 is: 194,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,891.00 : 260,687.97 = 141,061.31 : x
  2. Step 2: Convert to fraction form
    188,891.00/260,687.97 = 141,061.31/x
  3. Step 3: Cross multiply
    188,891.00x = 260,687.97 × 141,061.31
  4. Step 4: Simplify right side
    188,891.00x = 36,772,986,590.17
  5. Step 5: Solve for x
    x = 36,772,986,590.17/188,891.00
  6. Step 6: Final answer
    x = 194,678.34

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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.