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Finding the Fourth Proportional to 207,286.70, 310,772.03 and 65,049.93

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Solution

The fourth proportional to 207,286.70, 310,772.03 and 65,049.93 is: 97,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,286.70 : 310,772.03 = 65,049.93 : x
  2. Step 2: Convert to fraction form
    207,286.70/310,772.03 = 65,049.93/x
  3. Step 3: Cross multiply
    207,286.70x = 310,772.03 × 65,049.93
  4. Step 4: Simplify right side
    207,286.70x = 20,215,698,472.21
  5. Step 5: Solve for x
    x = 20,215,698,472.21/207,286.70
  6. Step 6: Final answer
    x = 97,525.31

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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.