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Finding the Fourth Proportional to 114,654.35, 171,536.56 and 100,507.97

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Solution

The fourth proportional to 114,654.35, 171,536.56 and 100,507.97 is: 150,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,654.35 : 171,536.56 = 100,507.97 : x
  2. Step 2: Convert to fraction form
    114,654.35/171,536.56 = 100,507.97/x
  3. Step 3: Cross multiply
    114,654.35x = 171,536.56 × 100,507.97
  4. Step 4: Simplify right side
    114,654.35x = 17,240,790,066.16
  5. Step 5: Solve for x
    x = 17,240,790,066.16/114,654.35
  6. Step 6: Final answer
    x = 150,371.89

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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.