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Finding the Fourth Proportional to 158,372.67, 237,796.22 and 137,091.45

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Solution

The fourth proportional to 158,372.67, 237,796.22 and 137,091.45 is: 205,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,372.67 : 237,796.22 = 137,091.45 : x
  2. Step 2: Convert to fraction form
    158,372.67/237,796.22 = 137,091.45/x
  3. Step 3: Cross multiply
    158,372.67x = 237,796.22 × 137,091.45
  4. Step 4: Simplify right side
    158,372.67x = 32,599,827,918.86
  5. Step 5: Solve for x
    x = 32,599,827,918.86/158,372.67
  6. Step 6: Final answer
    x = 205,842.51

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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.