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Finding the Fourth Proportional to 121,998.69, 182,992.66 and 33,252.20

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Solution

The fourth proportional to 121,998.69, 182,992.66 and 33,252.20 is: 49,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,998.69 : 182,992.66 = 33,252.20 : x
  2. Step 2: Convert to fraction form
    121,998.69/182,992.66 = 33,252.20/x
  3. Step 3: Cross multiply
    121,998.69x = 182,992.66 × 33,252.20
  4. Step 4: Simplify right side
    121,998.69x = 6,084,908,528.85
  5. Step 5: Solve for x
    x = 6,084,908,528.85/121,998.69
  6. Step 6: Final answer
    x = 49,876.83

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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.