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Finding the Fourth Proportional to 98,185.88, 135,496.51 and 53,473.88

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Solution

The fourth proportional to 98,185.88, 135,496.51 and 53,473.88 is: 73,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.88 : 135,496.51 = 53,473.88 : x
  2. Step 2: Convert to fraction form
    98,185.88/135,496.51 = 53,473.88/x
  3. Step 3: Cross multiply
    98,185.88x = 135,496.51 × 53,473.88
  4. Step 4: Simplify right side
    98,185.88x = 7,245,523,304.99
  5. Step 5: Solve for x
    x = 7,245,523,304.99/98,185.88
  6. Step 6: Final answer
    x = 73,793.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.