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Finding the Fourth Proportional to 376,187.54, 564,289.96 and 91,880.45

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Solution

The fourth proportional to 376,187.54, 564,289.96 and 91,880.45 is: 137,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,187.54 : 564,289.96 = 91,880.45 : x
  2. Step 2: Convert to fraction form
    376,187.54/564,289.96 = 91,880.45/x
  3. Step 3: Cross multiply
    376,187.54x = 564,289.96 × 91,880.45
  4. Step 4: Simplify right side
    376,187.54x = 51,847,212,748.68
  5. Step 5: Solve for x
    x = 51,847,212,748.68/376,187.54
  6. Step 6: Final answer
    x = 137,822.78

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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.