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Finding the Fourth Proportional to 271,891.50, 375,346.60 and 169,973.60

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Solution

The fourth proportional to 271,891.50, 375,346.60 and 169,973.60 is: 234,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,891.50 : 375,346.60 = 169,973.60 : x
  2. Step 2: Convert to fraction form
    271,891.50/375,346.60 = 169,973.60/x
  3. Step 3: Cross multiply
    271,891.50x = 375,346.60 × 169,973.60
  4. Step 4: Simplify right side
    271,891.50x = 63,799,012,849.76
  5. Step 5: Solve for x
    x = 63,799,012,849.76/271,891.50
  6. Step 6: Final answer
    x = 234,648.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.