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Finding the Fourth Proportional to 67,584.53, 100,805.52 and 63,681.95

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Solution

The fourth proportional to 67,584.53, 100,805.52 and 63,681.95 is: 94,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,584.53 : 100,805.52 = 63,681.95 : x
  2. Step 2: Convert to fraction form
    67,584.53/100,805.52 = 63,681.95/x
  3. Step 3: Cross multiply
    67,584.53x = 100,805.52 × 63,681.95
  4. Step 4: Simplify right side
    67,584.53x = 6,419,491,580.34
  5. Step 5: Solve for x
    x = 6,419,491,580.34/67,584.53
  6. Step 6: Final answer
    x = 94,984.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.