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Finding the Fourth Proportional to 371,937.13, 557,942.58 and 147,452.51

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Solution

The fourth proportional to 371,937.13, 557,942.58 and 147,452.51 is: 221,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,937.13 : 557,942.58 = 147,452.51 : x
  2. Step 2: Convert to fraction form
    371,937.13/557,942.58 = 147,452.51/x
  3. Step 3: Cross multiply
    371,937.13x = 557,942.58 × 147,452.51
  4. Step 4: Simplify right side
    371,937.13x = 82,270,035,251.73
  5. Step 5: Solve for x
    x = 82,270,035,251.73/371,937.13
  6. Step 6: Final answer
    x = 221,193.39

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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.