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Finding the Fourth Proportional to 235,341.90, 324,773.82 and 127,911.96

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Solution

The fourth proportional to 235,341.90, 324,773.82 and 127,911.96 is: 176,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,341.90 : 324,773.82 = 127,911.96 : x
  2. Step 2: Convert to fraction form
    235,341.90/324,773.82 = 127,911.96/x
  3. Step 3: Cross multiply
    235,341.90x = 324,773.82 × 127,911.96
  4. Step 4: Simplify right side
    235,341.90x = 41,542,455,872.89
  5. Step 5: Solve for x
    x = 41,542,455,872.89/235,341.90
  6. Step 6: Final answer
    x = 176,519.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.