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Finding the Fourth Proportional to 251,189.49, 376,787.77 and 73,700.16

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Solution

The fourth proportional to 251,189.49, 376,787.77 and 73,700.16 is: 110,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,189.49 : 376,787.77 = 73,700.16 : x
  2. Step 2: Convert to fraction form
    251,189.49/376,787.77 = 73,700.16/x
  3. Step 3: Cross multiply
    251,189.49x = 376,787.77 × 73,700.16
  4. Step 4: Simplify right side
    251,189.49x = 27,769,318,935.04
  5. Step 5: Solve for x
    x = 27,769,318,935.04/251,189.49
  6. Step 6: Final answer
    x = 110,551.28

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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.