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Finding the Fourth Proportional to 227,310.90, 341,172.90 and 115,069.20

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Solution

The fourth proportional to 227,310.90, 341,172.90 and 115,069.20 is: 172,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,310.90 : 341,172.90 = 115,069.20 : x
  2. Step 2: Convert to fraction form
    227,310.90/341,172.90 = 115,069.20/x
  3. Step 3: Cross multiply
    227,310.90x = 341,172.90 × 115,069.20
  4. Step 4: Simplify right side
    227,310.90x = 39,258,492,664.68
  5. Step 5: Solve for x
    x = 39,258,492,664.68/227,310.90
  6. Step 6: Final answer
    x = 172,708.36

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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.