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Finding the Fourth Proportional to 171,043.47, 235,791.68 and 119,896.83

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Solution

The fourth proportional to 171,043.47, 235,791.68 and 119,896.83 is: 165,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,043.47 : 235,791.68 = 119,896.83 : x
  2. Step 2: Convert to fraction form
    171,043.47/235,791.68 = 119,896.83/x
  3. Step 3: Cross multiply
    171,043.47x = 235,791.68 × 119,896.83
  4. Step 4: Simplify right side
    171,043.47x = 28,270,674,372.89
  5. Step 5: Solve for x
    x = 28,270,674,372.89/171,043.47
  6. Step 6: Final answer
    x = 165,283.56

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1.5x scale

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.