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Finding the Fourth Proportional to 234,867.71, 352,313.41 and 66,400.13

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Solution

The fourth proportional to 234,867.71, 352,313.41 and 66,400.13 is: 99,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,867.71 : 352,313.41 = 66,400.13 : x
  2. Step 2: Convert to fraction form
    234,867.71/352,313.41 = 66,400.13/x
  3. Step 3: Cross multiply
    234,867.71x = 352,313.41 × 66,400.13
  4. Step 4: Simplify right side
    234,867.71x = 23,393,656,224.74
  5. Step 5: Solve for x
    x = 23,393,656,224.74/234,867.71
  6. Step 6: Final answer
    x = 99,603.54

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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.