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Finding the Fourth Proportional to 113,753.01, 170,556.61 and 47,239.05

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Solution

The fourth proportional to 113,753.01, 170,556.61 and 47,239.05 is: 70,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,753.01 : 170,556.61 = 47,239.05 : x
  2. Step 2: Convert to fraction form
    113,753.01/170,556.61 = 47,239.05/x
  3. Step 3: Cross multiply
    113,753.01x = 170,556.61 × 47,239.05
  4. Step 4: Simplify right side
    113,753.01x = 8,056,932,227.62
  5. Step 5: Solve for x
    x = 8,056,932,227.62/113,753.01
  6. Step 6: Final answer
    x = 70,828.30

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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.