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Finding the Fourth Proportional to 268,394.72, 370,389.31 and 147,541.10

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Solution

The fourth proportional to 268,394.72, 370,389.31 and 147,541.10 is: 203,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,394.72 : 370,389.31 = 147,541.10 : x
  2. Step 2: Convert to fraction form
    268,394.72/370,389.31 = 147,541.10/x
  3. Step 3: Cross multiply
    268,394.72x = 370,389.31 × 147,541.10
  4. Step 4: Simplify right side
    268,394.72x = 54,647,644,004.84
  5. Step 5: Solve for x
    x = 54,647,644,004.84/268,394.72
  6. Step 6: Final answer
    x = 203,609.24

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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.