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Finding the Fourth Proportional to 154,593.28, 231,924.48 and 61,108.48

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Solution

The fourth proportional to 154,593.28, 231,924.48 and 61,108.48 is: 91,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,593.28 : 231,924.48 = 61,108.48 : x
  2. Step 2: Convert to fraction form
    154,593.28/231,924.48 = 61,108.48/x
  3. Step 3: Cross multiply
    154,593.28x = 231,924.48 × 61,108.48
  4. Step 4: Simplify right side
    154,593.28x = 14,172,552,447.59
  5. Step 5: Solve for x
    x = 14,172,552,447.59/154,593.28
  6. Step 6: Final answer
    x = 91,676.38

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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.