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Finding the Fourth Proportional to 234,887.94, 352,287.63 and 66,406.93

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Solution

The fourth proportional to 234,887.94, 352,287.63 and 66,406.93 is: 99,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,887.94 : 352,287.63 = 66,406.93 : x
  2. Step 2: Convert to fraction form
    234,887.94/352,287.63 = 66,406.93/x
  3. Step 3: Cross multiply
    234,887.94x = 352,287.63 × 66,406.93
  4. Step 4: Simplify right side
    234,887.94x = 23,394,339,985.28
  5. Step 5: Solve for x
    x = 23,394,339,985.28/234,887.94
  6. Step 6: Final answer
    x = 99,597.88

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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.