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Finding the Fourth Proportional to 241,895.80, 362,843.70 and 136,919.80

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Solution

The fourth proportional to 241,895.80, 362,843.70 and 136,919.80 is: 205,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,895.80 : 362,843.70 = 136,919.80 : x
  2. Step 2: Convert to fraction form
    241,895.80/362,843.70 = 136,919.80/x
  3. Step 3: Cross multiply
    241,895.80x = 362,843.70 × 136,919.80
  4. Step 4: Simplify right side
    241,895.80x = 49,680,486,835.26
  5. Step 5: Solve for x
    x = 49,680,486,835.26/241,895.80
  6. Step 6: Final answer
    x = 205,379.70

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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.