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Finding the Fourth Proportional to 221,466.12, 331,994.52 and 88,314

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Solution

The fourth proportional to 221,466.12, 331,994.52 and 88,314 is: 132,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,466.12 : 331,994.52 = 88,314 : x
  2. Step 2: Convert to fraction form
    221,466.12/331,994.52 = 88,314/x
  3. Step 3: Cross multiply
    221,466.12x = 331,994.52 × 88,314
  4. Step 4: Simplify right side
    221,466.12x = 29,319,764,039.28
  5. Step 5: Solve for x
    x = 29,319,764,039.28/221,466.12
  6. Step 6: Final answer
    x = 132,389.39

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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.