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Finding the Fourth Proportional to 226,634.80, 340,081.80 and 156,564.40

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Solution

The fourth proportional to 226,634.80, 340,081.80 and 156,564.40 is: 234,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,634.80 : 340,081.80 = 156,564.40 : x
  2. Step 2: Convert to fraction form
    226,634.80/340,081.80 = 156,564.40/x
  3. Step 3: Cross multiply
    226,634.80x = 340,081.80 × 156,564.40
  4. Step 4: Simplify right side
    226,634.80x = 53,244,702,967.92
  5. Step 5: Solve for x
    x = 53,244,702,967.92/226,634.80
  6. Step 6: Final answer
    x = 234,936.13

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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.