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Finding the Fourth Proportional to 158,998.22, 238,606.68 and 65,503.97

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Solution

The fourth proportional to 158,998.22, 238,606.68 and 65,503.97 is: 98,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,998.22 : 238,606.68 = 65,503.97 : x
  2. Step 2: Convert to fraction form
    158,998.22/238,606.68 = 65,503.97/x
  3. Step 3: Cross multiply
    158,998.22x = 238,606.68 × 65,503.97
  4. Step 4: Simplify right side
    158,998.22x = 15,629,684,387.44
  5. Step 5: Solve for x
    x = 15,629,684,387.44/158,998.22
  6. Step 6: Final answer
    x = 98,301.00

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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.