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Finding the Fourth Proportional to 366,747.01, 550,073.78 and 141,953.65

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Solution

The fourth proportional to 366,747.01, 550,073.78 and 141,953.65 is: 212,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,747.01 : 550,073.78 = 141,953.65 : x
  2. Step 2: Convert to fraction form
    366,747.01/550,073.78 = 141,953.65/x
  3. Step 3: Cross multiply
    366,747.01x = 550,073.78 × 141,953.65
  4. Step 4: Simplify right side
    366,747.01x = 78,084,980,840.30
  5. Step 5: Solve for x
    x = 78,084,980,840.30/366,747.01
  6. Step 6: Final answer
    x = 212,912.39

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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.