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Finding the Fourth Proportional to 271,570.97, 375,078.98 and 178,851.18

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Solution

The fourth proportional to 271,570.97, 375,078.98 and 178,851.18 is: 247,019.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,570.97 : 375,078.98 = 178,851.18 : x
  2. Step 2: Convert to fraction form
    271,570.97/375,078.98 = 178,851.18/x
  3. Step 3: Cross multiply
    271,570.97x = 375,078.98 × 178,851.18
  4. Step 4: Simplify right side
    271,570.97x = 67,083,318,093.84
  5. Step 5: Solve for x
    x = 67,083,318,093.84/271,570.97
  6. Step 6: Final answer
    x = 247,019.47

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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.