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Finding the Fourth Proportional to 275,338.56, 379,968.13 and 160,696.02

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Solution

The fourth proportional to 275,338.56, 379,968.13 and 160,696.02 is: 221,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,338.56 : 379,968.13 = 160,696.02 : x
  2. Step 2: Convert to fraction form
    275,338.56/379,968.13 = 160,696.02/x
  3. Step 3: Cross multiply
    275,338.56x = 379,968.13 × 160,696.02
  4. Step 4: Simplify right side
    275,338.56x = 61,059,366,217.84
  5. Step 5: Solve for x
    x = 61,059,366,217.84/275,338.56
  6. Step 6: Final answer
    x = 221,761.04

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1.5x scale

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.