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Finding the Fourth Proportional to 373,112.72, 559,725.24 and 133,208.72

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Solution

The fourth proportional to 373,112.72, 559,725.24 and 133,208.72 is: 199,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,112.72 : 559,725.24 = 133,208.72 : x
  2. Step 2: Convert to fraction form
    373,112.72/559,725.24 = 133,208.72/x
  3. Step 3: Cross multiply
    373,112.72x = 559,725.24 × 133,208.72
  4. Step 4: Simplify right side
    373,112.72x = 74,560,282,772.09
  5. Step 5: Solve for x
    x = 74,560,282,772.09/373,112.72
  6. Step 6: Final answer
    x = 199,833.13

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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.