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Finding the Fourth Proportional to 121,894.96, 182,855.40 and 33,149.92

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Solution

The fourth proportional to 121,894.96, 182,855.40 and 33,149.92 is: 49,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,894.96 : 182,855.40 = 33,149.92 : x
  2. Step 2: Convert to fraction form
    121,894.96/182,855.40 = 33,149.92/x
  3. Step 3: Cross multiply
    121,894.96x = 182,855.40 × 33,149.92
  4. Step 4: Simplify right side
    121,894.96x = 6,061,641,881.57
  5. Step 5: Solve for x
    x = 6,061,641,881.57/121,894.96
  6. Step 6: Final answer
    x = 49,728.40

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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.