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Finding the Fourth Proportional to 207,218.37, 285,960.90 and 116,574.39

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Solution

The fourth proportional to 207,218.37, 285,960.90 and 116,574.39 is: 160,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,218.37 : 285,960.90 = 116,574.39 : x
  2. Step 2: Convert to fraction form
    207,218.37/285,960.90 = 116,574.39/x
  3. Step 3: Cross multiply
    207,218.37x = 285,960.90 × 116,574.39
  4. Step 4: Simplify right side
    207,218.37x = 33,335,717,481.35
  5. Step 5: Solve for x
    x = 33,335,717,481.35/207,218.37
  6. Step 6: Final answer
    x = 160,872.40

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