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Finding the Fourth Proportional to 235,773.18, 353,663.46 and 131,256.42

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Solution

The fourth proportional to 235,773.18, 353,663.46 and 131,256.42 is: 196,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,773.18 : 353,663.46 = 131,256.42 : x
  2. Step 2: Convert to fraction form
    235,773.18/353,663.46 = 131,256.42/x
  3. Step 3: Cross multiply
    235,773.18x = 353,663.46 × 131,256.42
  4. Step 4: Simplify right side
    235,773.18x = 46,420,599,644.41
  5. Step 5: Solve for x
    x = 46,420,599,644.41/235,773.18
  6. Step 6: Final answer
    x = 196,886.68

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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.