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Finding the Fourth Proportional to 244,990.65, 338,103.80 and 136,107.75

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Solution

The fourth proportional to 244,990.65, 338,103.80 and 136,107.75 is: 187,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,990.65 : 338,103.80 = 136,107.75 : x
  2. Step 2: Convert to fraction form
    244,990.65/338,103.80 = 136,107.75/x
  3. Step 3: Cross multiply
    244,990.65x = 338,103.80 × 136,107.75
  4. Step 4: Simplify right side
    244,990.65x = 46,018,547,484.45
  5. Step 5: Solve for x
    x = 46,018,547,484.45/244,990.65
  6. Step 6: Final answer
    x = 187,837.97

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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.