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Finding the Fourth Proportional to 133,671.66, 200,507.48 and 124,814.31

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Solution

The fourth proportional to 133,671.66, 200,507.48 and 124,814.31 is: 187,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,671.66 : 200,507.48 = 124,814.31 : x
  2. Step 2: Convert to fraction form
    133,671.66/200,507.48 = 124,814.31/x
  3. Step 3: Cross multiply
    133,671.66x = 200,507.48 × 124,814.31
  4. Step 4: Simplify right side
    133,671.66x = 25,026,202,766.04
  5. Step 5: Solve for x
    x = 25,026,202,766.04/133,671.66
  6. Step 6: Final answer
    x = 187,221.46

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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.