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Finding the Fourth Proportional to 238,967.00, 329,735.87 and 136,973.69

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Solution

The fourth proportional to 238,967.00, 329,735.87 and 136,973.69 is: 189,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,967.00 : 329,735.87 = 136,973.69 : x
  2. Step 2: Convert to fraction form
    238,967.00/329,735.87 = 136,973.69/x
  3. Step 3: Cross multiply
    238,967.00x = 329,735.87 × 136,973.69
  4. Step 4: Simplify right side
    238,967.00x = 45,165,138,584.03
  5. Step 5: Solve for x
    x = 45,165,138,584.03/238,967.00
  6. Step 6: Final answer
    x = 189,001.57

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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.