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Finding the Fourth Proportional to 114,073.20, 171,129.20 and 35,172.72

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Solution

The fourth proportional to 114,073.20, 171,129.20 and 35,172.72 is: 52,765.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,073.20 : 171,129.20 = 35,172.72 : x
  2. Step 2: Convert to fraction form
    114,073.20/171,129.20 = 35,172.72/x
  3. Step 3: Cross multiply
    114,073.20x = 171,129.20 × 35,172.72
  4. Step 4: Simplify right side
    114,073.20x = 6,019,079,435.42
  5. Step 5: Solve for x
    x = 6,019,079,435.42/114,073.20
  6. Step 6: Final answer
    x = 52,765.06

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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.