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Finding the Fourth Proportional to 226,544, 312,631.08 and 125,942

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Solution

The fourth proportional to 226,544, 312,631.08 and 125,942 is: 173,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,544 : 312,631.08 = 125,942 : x
  2. Step 2: Convert to fraction form
    226,544/312,631.08 = 125,942/x
  3. Step 3: Cross multiply
    226,544x = 312,631.08 × 125,942
  4. Step 4: Simplify right side
    226,544x = 39,373,383,477.36
  5. Step 5: Solve for x
    x = 39,373,383,477.36/226,544
  6. Step 6: Final answer
    x = 173,800.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.