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Finding the Fourth Proportional to 226,557.54, 312,669.32 and 124,600.96

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Solution

The fourth proportional to 226,557.54, 312,669.32 and 124,600.96 is: 171,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,557.54 : 312,669.32 = 124,600.96 : x
  2. Step 2: Convert to fraction form
    226,557.54/312,669.32 = 124,600.96/x
  3. Step 3: Cross multiply
    226,557.54x = 312,669.32 × 124,600.96
  4. Step 4: Simplify right side
    226,557.54x = 38,958,897,434.55
  5. Step 5: Solve for x
    x = 38,958,897,434.55/226,557.54
  6. Step 6: Final answer
    x = 171,960.28

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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.