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Finding the Fourth Proportional to 226,124.92, 312,036.78 and 125,515

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Solution

The fourth proportional to 226,124.92, 312,036.78 and 125,515 is: 173,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,124.92 : 312,036.78 = 125,515 : x
  2. Step 2: Convert to fraction form
    226,124.92/312,036.78 = 125,515/x
  3. Step 3: Cross multiply
    226,124.92x = 312,036.78 × 125,515
  4. Step 4: Simplify right side
    226,124.92x = 39,165,296,441.70
  5. Step 5: Solve for x
    x = 39,165,296,441.70/226,124.92
  6. Step 6: Final answer
    x = 173,202.04

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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.