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Finding the Fourth Proportional to 207,351.74, 311,069.13 and 65,232.79

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Solution

The fourth proportional to 207,351.74, 311,069.13 and 65,232.79 is: 97,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,351.74 : 311,069.13 = 65,232.79 : x
  2. Step 2: Convert to fraction form
    207,351.74/311,069.13 = 65,232.79/x
  3. Step 3: Cross multiply
    207,351.74x = 311,069.13 × 65,232.79
  4. Step 4: Simplify right side
    207,351.74x = 20,291,906,210.48
  5. Step 5: Solve for x
    x = 20,291,906,210.48/207,351.74
  6. Step 6: Final answer
    x = 97,862.24

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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.