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Finding the Fourth Proportional to 99,774.83, 149,738.39 and 36,654.77

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Solution

The fourth proportional to 99,774.83, 149,738.39 and 36,654.77 is: 55,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,774.83 : 149,738.39 = 36,654.77 : x
  2. Step 2: Convert to fraction form
    99,774.83/149,738.39 = 36,654.77/x
  3. Step 3: Cross multiply
    99,774.83x = 149,738.39 × 36,654.77
  4. Step 4: Simplify right side
    99,774.83x = 5,488,626,245.62
  5. Step 5: Solve for x
    x = 5,488,626,245.62/99,774.83
  6. Step 6: Final answer
    x = 55,010.13

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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.