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Finding the Fourth Proportional to 87,357.26, 130,958.31 and 34,036.88

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Solution

The fourth proportional to 87,357.26, 130,958.31 and 34,036.88 is: 51,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357.26 : 130,958.31 = 34,036.88 : x
  2. Step 2: Convert to fraction form
    87,357.26/130,958.31 = 34,036.88/x
  3. Step 3: Cross multiply
    87,357.26x = 130,958.31 × 34,036.88
  4. Step 4: Simplify right side
    87,357.26x = 4,457,411,627.68
  5. Step 5: Solve for x
    x = 4,457,411,627.68/87,357.26
  6. Step 6: Final answer
    x = 51,025.09

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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.