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Finding the Fourth Proportional to 220,156.08, 303,819.48 and 124,662.48

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Solution

The fourth proportional to 220,156.08, 303,819.48 and 124,662.48 is: 172,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,156.08 : 303,819.48 = 124,662.48 : x
  2. Step 2: Convert to fraction form
    220,156.08/303,819.48 = 124,662.48/x
  3. Step 3: Cross multiply
    220,156.08x = 303,819.48 × 124,662.48
  4. Step 4: Simplify right side
    220,156.08x = 37,874,889,849.11
  5. Step 5: Solve for x
    x = 37,874,889,849.11/220,156.08
  6. Step 6: Final answer
    x = 172,036.54

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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.