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Finding the Fourth Proportional to 225,490.96, 337,942.67 and 125,647.12

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Solution

The fourth proportional to 225,490.96, 337,942.67 and 125,647.12 is: 188,306.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,490.96 : 337,942.67 = 125,647.12 : x
  2. Step 2: Convert to fraction form
    225,490.96/337,942.67 = 125,647.12/x
  3. Step 3: Cross multiply
    225,490.96x = 337,942.67 × 125,647.12
  4. Step 4: Simplify right side
    225,490.96x = 42,461,521,835.01
  5. Step 5: Solve for x
    x = 42,461,521,835.01/225,490.96
  6. Step 6: Final answer
    x = 188,306.98

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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.