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Finding the Fourth Proportional to 366,745.01, 550,070.78 and 141,951.65

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Solution

The fourth proportional to 366,745.01, 550,070.78 and 141,951.65 is: 212,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,745.01 : 550,070.78 = 141,951.65 : x
  2. Step 2: Convert to fraction form
    366,745.01/550,070.78 = 141,951.65/x
  3. Step 3: Cross multiply
    366,745.01x = 550,070.78 × 141,951.65
  4. Step 4: Simplify right side
    366,745.01x = 78,083,454,837.79
  5. Step 5: Solve for x
    x = 78,083,454,837.79/366,745.01
  6. Step 6: Final answer
    x = 212,909.39

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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.