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Finding the Fourth Proportional to 110,293.50, 165,177 and 63,447.96

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Solution

The fourth proportional to 110,293.50, 165,177 and 63,447.96 is: 95,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,293.50 : 165,177 = 63,447.96 : x
  2. Step 2: Convert to fraction form
    110,293.50/165,177 = 63,447.96/x
  3. Step 3: Cross multiply
    110,293.50x = 165,177 × 63,447.96
  4. Step 4: Simplify right side
    110,293.50x = 10,480,143,688.92
  5. Step 5: Solve for x
    x = 10,480,143,688.92/110,293.50
  6. Step 6: Final answer
    x = 95,020.50

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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.