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Finding the Fourth Proportional to 235,574.52, 353,361.78 and 95,431.56

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Solution

The fourth proportional to 235,574.52, 353,361.78 and 95,431.56 is: 143,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,574.52 : 353,361.78 = 95,431.56 : x
  2. Step 2: Convert to fraction form
    235,574.52/353,361.78 = 95,431.56/x
  3. Step 3: Cross multiply
    235,574.52x = 353,361.78 × 95,431.56
  4. Step 4: Simplify right side
    235,574.52x = 33,721,865,909.78
  5. Step 5: Solve for x
    x = 33,721,865,909.78/235,574.52
  6. Step 6: Final answer
    x = 143,147.34

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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.