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Finding the Fourth Proportional to 251,322.74, 376,983.87 and 64,333.94

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Solution

The fourth proportional to 251,322.74, 376,983.87 and 64,333.94 is: 96,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,322.74 : 376,983.87 = 64,333.94 : x
  2. Step 2: Convert to fraction form
    251,322.74/376,983.87 = 64,333.94/x
  3. Step 3: Cross multiply
    251,322.74x = 376,983.87 × 64,333.94
  4. Step 4: Simplify right side
    251,322.74x = 24,252,857,673.55
  5. Step 5: Solve for x
    x = 24,252,857,673.55/251,322.74
  6. Step 6: Final answer
    x = 96,500.85

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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.