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Finding the Fourth Proportional to 87,955.64, 131,900.52 and 35,347.22

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Solution

The fourth proportional to 87,955.64, 131,900.52 and 35,347.22 is: 53,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,955.64 : 131,900.52 = 35,347.22 : x
  2. Step 2: Convert to fraction form
    87,955.64/131,900.52 = 35,347.22/x
  3. Step 3: Cross multiply
    87,955.64x = 131,900.52 × 35,347.22
  4. Step 4: Simplify right side
    87,955.64x = 4,662,316,698.55
  5. Step 5: Solve for x
    x = 4,662,316,698.55/87,955.64
  6. Step 6: Final answer
    x = 53,007.59

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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.