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Finding the Fourth Proportional to 219,595.62, 329,412.88 and 61,825.44

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Solution

The fourth proportional to 219,595.62, 329,412.88 and 61,825.44 is: 92,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,595.62 : 329,412.88 = 61,825.44 : x
  2. Step 2: Convert to fraction form
    219,595.62/329,412.88 = 61,825.44/x
  3. Step 3: Cross multiply
    219,595.62x = 329,412.88 × 61,825.44
  4. Step 4: Simplify right side
    219,595.62x = 20,366,096,247.67
  5. Step 5: Solve for x
    x = 20,366,096,247.67/219,595.62
  6. Step 6: Final answer
    x = 92,743.64

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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.