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Finding the Fourth Proportional to 275,680.60, 413,592.90 and 88,696.60

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Solution

The fourth proportional to 275,680.60, 413,592.90 and 88,696.60 is: 133,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,680.60 : 413,592.90 = 88,696.60 : x
  2. Step 2: Convert to fraction form
    275,680.60/413,592.90 = 88,696.60/x
  3. Step 3: Cross multiply
    275,680.60x = 413,592.90 × 88,696.60
  4. Step 4: Simplify right side
    275,680.60x = 36,684,284,014.14
  5. Step 5: Solve for x
    x = 36,684,284,014.14/275,680.60
  6. Step 6: Final answer
    x = 133,068.07

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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.