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Finding the Fourth Proportional to 238,914.97, 358,372.02 and 163,807.42

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Solution

The fourth proportional to 238,914.97, 358,372.02 and 163,807.42 is: 245,710.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,914.97 : 358,372.02 = 163,807.42 : x
  2. Step 2: Convert to fraction form
    238,914.97/358,372.02 = 163,807.42/x
  3. Step 3: Cross multiply
    238,914.97x = 358,372.02 × 163,807.42
  4. Step 4: Simplify right side
    238,914.97x = 58,703,995,100.46
  5. Step 5: Solve for x
    x = 58,703,995,100.46/238,914.97
  6. Step 6: Final answer
    x = 245,710.83

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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.