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Finding the Fourth Proportional to 95,511.76, 131,810.70 and 53,071

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Solution

The fourth proportional to 95,511.76, 131,810.70 and 53,071 is: 73,240.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,511.76 : 131,810.70 = 53,071 : x
  2. Step 2: Convert to fraction form
    95,511.76/131,810.70 = 53,071/x
  3. Step 3: Cross multiply
    95,511.76x = 131,810.70 × 53,071
  4. Step 4: Simplify right side
    95,511.76x = 6,995,325,659.70
  5. Step 5: Solve for x
    x = 6,995,325,659.70/95,511.76
  6. Step 6: Final answer
    x = 73,240.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.