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Finding the Fourth Proportional to 231,378.76, 347,064.49 and 168,597.28

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Solution

The fourth proportional to 231,378.76, 347,064.49 and 168,597.28 is: 252,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,378.76 : 347,064.49 = 168,597.28 : x
  2. Step 2: Convert to fraction form
    231,378.76/347,064.49 = 168,597.28/x
  3. Step 3: Cross multiply
    231,378.76x = 347,064.49 × 168,597.28
  4. Step 4: Simplify right side
    231,378.76x = 58,514,127,216.75
  5. Step 5: Solve for x
    x = 58,514,127,216.75/231,378.76
  6. Step 6: Final answer
    x = 252,893.26

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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.