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Finding the Fourth Proportional to 161,759.32, 242,639.22 and 82,830.52

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Solution

The fourth proportional to 161,759.32, 242,639.22 and 82,830.52 is: 124,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,759.32 : 242,639.22 = 82,830.52 : x
  2. Step 2: Convert to fraction form
    161,759.32/242,639.22 = 82,830.52/x
  3. Step 3: Cross multiply
    161,759.32x = 242,639.22 × 82,830.52
  4. Step 4: Simplify right side
    161,759.32x = 20,097,932,764.99
  5. Step 5: Solve for x
    x = 20,097,932,764.99/161,759.32
  6. Step 6: Final answer
    x = 124,245.90

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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.