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Finding the Fourth Proportional to 234,699.40, 323,879.43 and 127,266.67

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Solution

The fourth proportional to 234,699.40, 323,879.43 and 127,266.67 is: 175,624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,699.40 : 323,879.43 = 127,266.67 : x
  2. Step 2: Convert to fraction form
    234,699.40/323,879.43 = 127,266.67/x
  3. Step 3: Cross multiply
    234,699.40x = 323,879.43 × 127,266.67
  4. Step 4: Simplify right side
    234,699.40x = 41,219,055,727.90
  5. Step 5: Solve for x
    x = 41,219,055,727.90/234,699.40
  6. Step 6: Final answer
    x = 175,624.89

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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.