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Finding the Fourth Proportional to 251,551.71, 377,327.57 and 64,563.21

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Solution

The fourth proportional to 251,551.71, 377,327.57 and 64,563.21 is: 96,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,551.71 : 377,327.57 = 64,563.21 : x
  2. Step 2: Convert to fraction form
    251,551.71/377,327.57 = 64,563.21/x
  3. Step 3: Cross multiply
    251,551.71x = 377,327.57 × 64,563.21
  4. Step 4: Simplify right side
    251,551.71x = 24,361,478,817.88
  5. Step 5: Solve for x
    x = 24,361,478,817.88/251,551.71
  6. Step 6: Final answer
    x = 96,844.82

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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.