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Finding the Fourth Proportional to 221,843.04, 332,698.86 and 64,072.86

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Solution

The fourth proportional to 221,843.04, 332,698.86 and 64,072.86 is: 96,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,843.04 : 332,698.86 = 64,072.86 : x
  2. Step 2: Convert to fraction form
    221,843.04/332,698.86 = 64,072.86/x
  3. Step 3: Cross multiply
    221,843.04x = 332,698.86 × 64,072.86
  4. Step 4: Simplify right side
    221,843.04x = 21,316,967,478.94
  5. Step 5: Solve for x
    x = 21,316,967,478.94/221,843.04
  6. Step 6: Final answer
    x = 96,090.31

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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.