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Finding the Fourth Proportional to 113,791.30, 170,695.05 and 34,905.40

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Solution

The fourth proportional to 113,791.30, 170,695.05 and 34,905.40 is: 52,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791.30 : 170,695.05 = 34,905.40 : x
  2. Step 2: Convert to fraction form
    113,791.30/170,695.05 = 34,905.40/x
  3. Step 3: Cross multiply
    113,791.30x = 170,695.05 × 34,905.40
  4. Step 4: Simplify right side
    113,791.30x = 5,958,178,998.27
  5. Step 5: Solve for x
    x = 5,958,178,998.27/113,791.30
  6. Step 6: Final answer
    x = 52,360.58

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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.