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Finding the Fourth Proportional to 155,138.01, 232,679.22 and 41,286.42

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Solution

The fourth proportional to 155,138.01, 232,679.22 and 41,286.42 is: 61,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,138.01 : 232,679.22 = 41,286.42 : x
  2. Step 2: Convert to fraction form
    155,138.01/232,679.22 = 41,286.42/x
  3. Step 3: Cross multiply
    155,138.01x = 232,679.22 × 41,286.42
  4. Step 4: Simplify right side
    155,138.01x = 9,606,492,002.19
  5. Step 5: Solve for x
    x = 9,606,492,002.19/155,138.01
  6. Step 6: Final answer
    x = 61,922.23

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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.