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Finding the Fourth Proportional to 180,668.21, 271,020.77 and 62,339.21

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Solution

The fourth proportional to 180,668.21, 271,020.77 and 62,339.21 is: 93,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,668.21 : 271,020.77 = 62,339.21 : x
  2. Step 2: Convert to fraction form
    180,668.21/271,020.77 = 62,339.21/x
  3. Step 3: Cross multiply
    180,668.21x = 271,020.77 × 62,339.21
  4. Step 4: Simplify right side
    180,668.21x = 16,895,219,028.59
  5. Step 5: Solve for x
    x = 16,895,219,028.59/180,668.21
  6. Step 6: Final answer
    x = 93,515.18

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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.