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Finding the Fourth Proportional to 251,328.36, 376,990.62 and 64,339.56

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Solution

The fourth proportional to 251,328.36, 376,990.62 and 64,339.56 is: 96,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,328.36 : 376,990.62 = 64,339.56 : x
  2. Step 2: Convert to fraction form
    251,328.36/376,990.62 = 64,339.56/x
  3. Step 3: Cross multiply
    251,328.36x = 376,990.62 × 64,339.56
  4. Step 4: Simplify right side
    251,328.36x = 24,255,410,614.93
  5. Step 5: Solve for x
    x = 24,255,410,614.93/251,328.36
  6. Step 6: Final answer
    x = 96,508.85

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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.