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Finding the Fourth Proportional to 331,061.52, 496,544.48 and 106,392.63

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Solution

The fourth proportional to 331,061.52, 496,544.48 and 106,392.63 is: 159,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,061.52 : 496,544.48 = 106,392.63 : x
  2. Step 2: Convert to fraction form
    331,061.52/496,544.48 = 106,392.63/x
  3. Step 3: Cross multiply
    331,061.52x = 496,544.48 × 106,392.63
  4. Step 4: Simplify right side
    331,061.52x = 52,828,673,405.16
  5. Step 5: Solve for x
    x = 52,828,673,405.16/331,061.52
  6. Step 6: Final answer
    x = 159,573.58

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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.