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Finding the Fourth Proportional to 161,703.87, 242,550.33 and 49,379.55

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Solution

The fourth proportional to 161,703.87, 242,550.33 and 49,379.55 is: 74,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.87 : 242,550.33 = 49,379.55 : x
  2. Step 2: Convert to fraction form
    161,703.87/242,550.33 = 49,379.55/x
  3. Step 3: Cross multiply
    161,703.87x = 242,550.33 × 49,379.55
  4. Step 4: Simplify right side
    161,703.87x = 11,977,026,147.75
  5. Step 5: Solve for x
    x = 11,977,026,147.75/161,703.87
  6. Step 6: Final answer
    x = 74,067.65

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1.5x scale

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.