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Finding the Fourth Proportional to 64,170.68, 96,261.12 and 22,033.88

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Solution

The fourth proportional to 64,170.68, 96,261.12 and 22,033.88 is: 33,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,170.68 : 96,261.12 = 22,033.88 : x
  2. Step 2: Convert to fraction form
    64,170.68/96,261.12 = 22,033.88/x
  3. Step 3: Cross multiply
    64,170.68x = 96,261.12 × 22,033.88
  4. Step 4: Simplify right side
    64,170.68x = 2,121,005,966.75
  5. Step 5: Solve for x
    x = 2,121,005,966.75/64,170.68
  6. Step 6: Final answer
    x = 33,052.57

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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.