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Finding the Fourth Proportional to 238,564.20, 329,047.20 and 153,600.06

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Solution

The fourth proportional to 238,564.20, 329,047.20 and 153,600.06 is: 211,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,564.20 : 329,047.20 = 153,600.06 : x
  2. Step 2: Convert to fraction form
    238,564.20/329,047.20 = 153,600.06/x
  3. Step 3: Cross multiply
    238,564.20x = 329,047.20 × 153,600.06
  4. Step 4: Simplify right side
    238,564.20x = 50,541,669,662.83
  5. Step 5: Solve for x
    x = 50,541,669,662.83/238,564.20
  6. Step 6: Final answer
    x = 211,857.73

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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.