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Finding the Fourth Proportional to 219,915.62, 329,886.76 and 62,155.88

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Solution

The fourth proportional to 219,915.62, 329,886.76 and 62,155.88 is: 93,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,915.62 : 329,886.76 = 62,155.88 : x
  2. Step 2: Convert to fraction form
    219,915.62/329,886.76 = 62,155.88/x
  3. Step 3: Cross multiply
    219,915.62x = 329,886.76 × 62,155.88
  4. Step 4: Simplify right side
    219,915.62x = 20,504,401,868.15
  5. Step 5: Solve for x
    x = 20,504,401,868.15/219,915.62
  6. Step 6: Final answer
    x = 93,237.59

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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.