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Finding the Fourth Proportional to 133,239.56, 200,001.54 and 57,375.62

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Solution

The fourth proportional to 133,239.56, 200,001.54 and 57,375.62 is: 86,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,239.56 : 200,001.54 = 57,375.62 : x
  2. Step 2: Convert to fraction form
    133,239.56/200,001.54 = 57,375.62/x
  3. Step 3: Cross multiply
    133,239.56x = 200,001.54 × 57,375.62
  4. Step 4: Simplify right side
    133,239.56x = 11,475,212,358.45
  5. Step 5: Solve for x
    x = 11,475,212,358.45/133,239.56
  6. Step 6: Final answer
    x = 86,124.66

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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.