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Finding the Fourth Proportional to 245,992.37, 369,105.20 and 146,349.41

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Solution

The fourth proportional to 245,992.37, 369,105.20 and 146,349.41 is: 219,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,992.37 : 369,105.20 = 146,349.41 : x
  2. Step 2: Convert to fraction form
    245,992.37/369,105.20 = 146,349.41/x
  3. Step 3: Cross multiply
    245,992.37x = 369,105.20 × 146,349.41
  4. Step 4: Simplify right side
    245,992.37x = 54,018,327,516.19
  5. Step 5: Solve for x
    x = 54,018,327,516.19/245,992.37
  6. Step 6: Final answer
    x = 219,593.51

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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.