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Finding the Fourth Proportional to 331,052.56, 496,608.12 and 94,390.16

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Solution

The fourth proportional to 331,052.56, 496,608.12 and 94,390.16 is: 141,593.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,052.56 : 496,608.12 = 94,390.16 : x
  2. Step 2: Convert to fraction form
    331,052.56/496,608.12 = 94,390.16/x
  3. Step 3: Cross multiply
    331,052.56x = 496,608.12 × 94,390.16
  4. Step 4: Simplify right side
    331,052.56x = 46,874,919,904.10
  5. Step 5: Solve for x
    x = 46,874,919,904.10/331,052.56
  6. Step 6: Final answer
    x = 141,593.59

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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.