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Finding the Fourth Proportional to 110,732.62, 152,811.21 and 60,431.62

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Solution

The fourth proportional to 110,732.62, 152,811.21 and 60,431.62 is: 83,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,732.62 : 152,811.21 = 60,431.62 : x
  2. Step 2: Convert to fraction form
    110,732.62/152,811.21 = 60,431.62/x
  3. Step 3: Cross multiply
    110,732.62x = 152,811.21 × 60,431.62
  4. Step 4: Simplify right side
    110,732.62x = 9,234,628,974.46
  5. Step 5: Solve for x
    x = 9,234,628,974.46/110,732.62
  6. Step 6: Final answer
    x = 83,395.74

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Why These Related Problems?

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