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Finding the Fourth Proportional to 150,934.40, 226,401.60 and 136,937.60

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Solution

The fourth proportional to 150,934.40, 226,401.60 and 136,937.60 is: 205,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,934.40 : 226,401.60 = 136,937.60 : x
  2. Step 2: Convert to fraction form
    150,934.40/226,401.60 = 136,937.60/x
  3. Step 3: Cross multiply
    150,934.40x = 226,401.60 × 136,937.60
  4. Step 4: Simplify right side
    150,934.40x = 31,002,891,740.16
  5. Step 5: Solve for x
    x = 31,002,891,740.16/150,934.40
  6. Step 6: Final answer
    x = 205,406.40

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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.