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Finding the Fourth Proportional to 238,052.40, 356,581.80 and 111,800.40

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Solution

The fourth proportional to 238,052.40, 356,581.80 and 111,800.40 is: 167,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,052.40 : 356,581.80 = 111,800.40 : x
  2. Step 2: Convert to fraction form
    238,052.40/356,581.80 = 111,800.40/x
  3. Step 3: Cross multiply
    238,052.40x = 356,581.80 × 111,800.40
  4. Step 4: Simplify right side
    238,052.40x = 39,865,987,872.72
  5. Step 5: Solve for x
    x = 39,865,987,872.72/238,052.40
  6. Step 6: Final answer
    x = 167,467.28

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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.