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Finding the Fourth Proportional to 221,764.84, 332,610.86 and 61,851.65

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Solution

The fourth proportional to 221,764.84, 332,610.86 and 61,851.65 is: 92,767.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,764.84 : 332,610.86 = 61,851.65 : x
  2. Step 2: Convert to fraction form
    221,764.84/332,610.86 = 61,851.65/x
  3. Step 3: Cross multiply
    221,764.84x = 332,610.86 × 61,851.65
  4. Step 4: Simplify right side
    221,764.84x = 20,572,530,513.51
  5. Step 5: Solve for x
    x = 20,572,530,513.51/221,764.84
  6. Step 6: Final answer
    x = 92,767.32

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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.