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Finding the Fourth Proportional to 220,758.66, 331,193.88 and 62,987.67

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Solution

The fourth proportional to 220,758.66, 331,193.88 and 62,987.67 is: 94,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,758.66 : 331,193.88 = 62,987.67 : x
  2. Step 2: Convert to fraction form
    220,758.66/331,193.88 = 62,987.67/x
  3. Step 3: Cross multiply
    220,758.66x = 331,193.88 × 62,987.67
  4. Step 4: Simplify right side
    220,758.66x = 20,861,130,819.46
  5. Step 5: Solve for x
    x = 20,861,130,819.46/220,758.66
  6. Step 6: Final answer
    x = 94,497.45

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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.