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Finding the Fourth Proportional to 167,019.45, 250,237.58 and 143,691.45

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Solution

The fourth proportional to 167,019.45, 250,237.58 and 143,691.45 is: 215,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,019.45 : 250,237.58 = 143,691.45 : x
  2. Step 2: Convert to fraction form
    167,019.45/250,237.58 = 143,691.45/x
  3. Step 3: Cross multiply
    167,019.45x = 250,237.58 × 143,691.45
  4. Step 4: Simplify right side
    167,019.45x = 35,956,999,996.23
  5. Step 5: Solve for x
    x = 35,956,999,996.23/167,019.45
  6. Step 6: Final answer
    x = 215,286.30

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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.