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Finding the Fourth Proportional to 358,751.23, 538,053.03 and 158,944.17

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Solution

The fourth proportional to 358,751.23, 538,053.03 and 158,944.17 is: 238,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,751.23 : 538,053.03 = 158,944.17 : x
  2. Step 2: Convert to fraction form
    358,751.23/538,053.03 = 158,944.17/x
  3. Step 3: Cross multiply
    358,751.23x = 538,053.03 × 158,944.17
  4. Step 4: Simplify right side
    358,751.23x = 85,520,394,287.03
  5. Step 5: Solve for x
    x = 85,520,394,287.03/358,751.23
  6. Step 6: Final answer
    x = 238,383.56

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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.