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Finding the Fourth Proportional to 75,369.71, 113,056.97 and 37,909.32

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Solution

The fourth proportional to 75,369.71, 113,056.97 and 37,909.32 is: 56,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,369.71 : 113,056.97 = 37,909.32 : x
  2. Step 2: Convert to fraction form
    75,369.71/113,056.97 = 37,909.32/x
  3. Step 3: Cross multiply
    75,369.71x = 113,056.97 × 37,909.32
  4. Step 4: Simplify right side
    75,369.71x = 4,285,912,664.41
  5. Step 5: Solve for x
    x = 4,285,912,664.41/75,369.71
  6. Step 6: Final answer
    x = 56,865.19

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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.