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Finding the Fourth Proportional to 250,995.00, 376,642.10 and 91,083.42

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Solution

The fourth proportional to 250,995.00, 376,642.10 and 91,083.42 is: 136,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,995.00 : 376,642.10 = 91,083.42 : x
  2. Step 2: Convert to fraction form
    250,995.00/376,642.10 = 91,083.42/x
  3. Step 3: Cross multiply
    250,995.00x = 376,642.10 × 91,083.42
  4. Step 4: Simplify right side
    250,995.00x = 34,305,852,400.65
  5. Step 5: Solve for x
    x = 34,305,852,400.65/250,995.00
  6. Step 6: Final answer
    x = 136,679.42

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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.