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Finding the Fourth Proportional to 221,805.20, 332,653.80 and 64,017.20

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Solution

The fourth proportional to 221,805.20, 332,653.80 and 64,017.20 is: 96,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,805.20 : 332,653.80 = 64,017.20 : x
  2. Step 2: Convert to fraction form
    221,805.20/332,653.80 = 64,017.20/x
  3. Step 3: Cross multiply
    221,805.20x = 332,653.80 × 64,017.20
  4. Step 4: Simplify right side
    221,805.20x = 21,295,564,845.36
  5. Step 5: Solve for x
    x = 21,295,564,845.36/221,805.20
  6. Step 6: Final answer
    x = 96,010.21

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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.