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Finding the Fourth Proportional to 238,277.79, 328,824.41 and 136,304.36

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Solution

The fourth proportional to 238,277.79, 328,824.41 and 136,304.36 is: 188,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,277.79 : 328,824.41 = 136,304.36 : x
  2. Step 2: Convert to fraction form
    238,277.79/328,824.41 = 136,304.36/x
  3. Step 3: Cross multiply
    238,277.79x = 328,824.41 × 136,304.36
  4. Step 4: Simplify right side
    238,277.79x = 44,820,198,431.78
  5. Step 5: Solve for x
    x = 44,820,198,431.78/238,277.79
  6. Step 6: Final answer
    x = 188,100.61

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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.