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Finding the Fourth Proportional to 235,761.66, 353,646.16 and 131,244.94

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Solution

The fourth proportional to 235,761.66, 353,646.16 and 131,244.94 is: 196,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,761.66 : 353,646.16 = 131,244.94 : x
  2. Step 2: Convert to fraction form
    235,761.66/353,646.16 = 131,244.94/x
  3. Step 3: Cross multiply
    235,761.66x = 353,646.16 × 131,244.94
  4. Step 4: Simplify right side
    235,761.66x = 46,414,269,050.43
  5. Step 5: Solve for x
    x = 46,414,269,050.43/235,761.66
  6. Step 6: Final answer
    x = 196,869.45

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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.