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Finding the Fourth Proportional to 207,149.13, 310,723.74 and 65,016.36

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Solution

The fourth proportional to 207,149.13, 310,723.74 and 65,016.36 is: 97,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,149.13 : 310,723.74 = 65,016.36 : x
  2. Step 2: Convert to fraction form
    207,149.13/310,723.74 = 65,016.36/x
  3. Step 3: Cross multiply
    207,149.13x = 310,723.74 × 65,016.36
  4. Step 4: Simplify right side
    207,149.13x = 20,202,126,540.39
  5. Step 5: Solve for x
    x = 20,202,126,540.39/207,149.13
  6. Step 6: Final answer
    x = 97,524.55

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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.