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Finding the Fourth Proportional to 64,203.74, 96,318.74 and 22,078.35

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Solution

The fourth proportional to 64,203.74, 96,318.74 and 22,078.35 is: 33,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,203.74 : 96,318.74 = 22,078.35 : x
  2. Step 2: Convert to fraction form
    64,203.74/96,318.74 = 22,078.35/x
  3. Step 3: Cross multiply
    64,203.74x = 96,318.74 × 22,078.35
  4. Step 4: Simplify right side
    64,203.74x = 2,126,558,853.28
  5. Step 5: Solve for x
    x = 2,126,558,853.28/64,203.74
  6. Step 6: Final answer
    x = 33,122.04

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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.