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Finding the Fourth Proportional to 331,345.92, 496,967.04 and 109,729.92

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Solution

The fourth proportional to 331,345.92, 496,967.04 and 109,729.92 is: 164,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,345.92 : 496,967.04 = 109,729.92 : x
  2. Step 2: Convert to fraction form
    331,345.92/496,967.04 = 109,729.92/x
  3. Step 3: Cross multiply
    331,345.92x = 496,967.04 × 109,729.92
  4. Step 4: Simplify right side
    331,345.92x = 54,532,153,541.84
  5. Step 5: Solve for x
    x = 54,532,153,541.84/331,345.92
  6. Step 6: Final answer
    x = 164,577.71

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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.