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Finding the Fourth Proportional to 87,107.84, 130,631.04 and 37,832.96

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Solution

The fourth proportional to 87,107.84, 130,631.04 and 37,832.96 is: 56,736.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,107.84 : 130,631.04 = 37,832.96 : x
  2. Step 2: Convert to fraction form
    87,107.84/130,631.04 = 37,832.96/x
  3. Step 3: Cross multiply
    87,107.84x = 130,631.04 × 37,832.96
  4. Step 4: Simplify right side
    87,107.84x = 4,942,158,911.08
  5. Step 5: Solve for x
    x = 4,942,158,911.08/87,107.84
  6. Step 6: Final answer
    x = 56,736.10

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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.