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Finding the Fourth Proportional to 114,654.97, 171,537.49 and 100,508.59

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Solution

The fourth proportional to 114,654.97, 171,537.49 and 100,508.59 is: 150,372.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,654.97 : 171,537.49 = 100,508.59 : x
  2. Step 2: Convert to fraction form
    114,654.97/171,537.49 = 100,508.59/x
  3. Step 3: Cross multiply
    114,654.97x = 171,537.49 × 100,508.59
  4. Step 4: Simplify right side
    114,654.97x = 17,240,991,252.04
  5. Step 5: Solve for x
    x = 17,240,991,252.04/114,654.97
  6. Step 6: Final answer
    x = 150,372.82

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1.5x scale

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.