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Finding the Fourth Proportional to 67,554, 101,330.19 and 63,443.66

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Solution

The fourth proportional to 67,554, 101,330.19 and 63,443.66 is: 95,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,554 : 101,330.19 = 63,443.66 : x
  2. Step 2: Convert to fraction form
    67,554/101,330.19 = 63,443.66/x
  3. Step 3: Cross multiply
    67,554x = 101,330.19 × 63,443.66
  4. Step 4: Simplify right side
    67,554x = 6,428,757,615.44
  5. Step 5: Solve for x
    x = 6,428,757,615.44/67,554
  6. Step 6: Final answer
    x = 95,164.72

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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.