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Finding the Fourth Proportional to 336,593.80, 504,995.46 and 99,937.72

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Solution

The fourth proportional to 336,593.80, 504,995.46 and 99,937.72 is: 149,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,593.80 : 504,995.46 = 99,937.72 : x
  2. Step 2: Convert to fraction form
    336,593.80/504,995.46 = 99,937.72/x
  3. Step 3: Cross multiply
    336,593.80x = 504,995.46 × 99,937.72
  4. Step 4: Simplify right side
    336,593.80x = 50,468,094,882.75
  5. Step 5: Solve for x
    x = 50,468,094,882.75/336,593.80
  6. Step 6: Final answer
    x = 149,937.68

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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.