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Finding the Fourth Proportional to 269,783.66, 404,924.06 and 136,756.96

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Solution

The fourth proportional to 269,783.66, 404,924.06 and 136,756.96 is: 205,261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,783.66 : 404,924.06 = 136,756.96 : x
  2. Step 2: Convert to fraction form
    269,783.66/404,924.06 = 136,756.96/x
  3. Step 3: Cross multiply
    269,783.66x = 404,924.06 × 136,756.96
  4. Step 4: Simplify right side
    269,783.66x = 55,376,182,806.04
  5. Step 5: Solve for x
    x = 55,376,182,806.04/269,783.66
  6. Step 6: Final answer
    x = 205,261.44

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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.