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Finding the Fourth Proportional to 95,161.74, 131,263.74 and 61,214.43

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Solution

The fourth proportional to 95,161.74, 131,263.74 and 61,214.43 is: 84,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,161.74 : 131,263.74 = 61,214.43 : x
  2. Step 2: Convert to fraction form
    95,161.74/131,263.74 = 61,214.43/x
  3. Step 3: Cross multiply
    95,161.74x = 131,263.74 × 61,214.43
  4. Step 4: Simplify right side
    95,161.74x = 8,035,235,516.01
  5. Step 5: Solve for x
    x = 8,035,235,516.01/95,161.74
  6. Step 6: Final answer
    x = 84,437.67

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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.