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Finding the Fourth Proportional to 207,100.81, 310,599.82 and 88,758.73

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Solution

The fourth proportional to 207,100.81, 310,599.82 and 88,758.73 is: 133,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,100.81 : 310,599.82 = 88,758.73 : x
  2. Step 2: Convert to fraction form
    207,100.81/310,599.82 = 88,758.73/x
  3. Step 3: Cross multiply
    207,100.81x = 310,599.82 × 88,758.73
  4. Step 4: Simplify right side
    207,100.81x = 27,568,445,117.64
  5. Step 5: Solve for x
    x = 27,568,445,117.64/207,100.81
  6. Step 6: Final answer
    x = 133,116.07

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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.