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Finding the Fourth Proportional to 158,857.00, 238,340.17 and 99,623.32

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Solution

The fourth proportional to 158,857.00, 238,340.17 and 99,623.32 is: 149,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,857.00 : 238,340.17 = 99,623.32 : x
  2. Step 2: Convert to fraction form
    158,857.00/238,340.17 = 99,623.32/x
  3. Step 3: Cross multiply
    158,857.00x = 238,340.17 × 99,623.32
  4. Step 4: Simplify right side
    158,857.00x = 23,744,238,553.44
  5. Step 5: Solve for x
    x = 23,744,238,553.44/158,857.00
  6. Step 6: Final answer
    x = 149,469.26

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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.