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Finding the Fourth Proportional to 234,828.65, 324,064.16 and 127,398.68

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Solution

The fourth proportional to 234,828.65, 324,064.16 and 127,398.68 is: 175,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,828.65 : 324,064.16 = 127,398.68 : x
  2. Step 2: Convert to fraction form
    234,828.65/324,064.16 = 127,398.68/x
  3. Step 3: Cross multiply
    234,828.65x = 324,064.16 × 127,398.68
  4. Step 4: Simplify right side
    234,828.65x = 41,285,347,580.03
  5. Step 5: Solve for x
    x = 41,285,347,580.03/234,828.65
  6. Step 6: Final answer
    x = 175,810.52

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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.