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Finding the Fourth Proportional to 117,652.56, 162,364.43 and 69,245.71

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Solution

The fourth proportional to 117,652.56, 162,364.43 and 69,245.71 is: 95,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652.56 : 162,364.43 = 69,245.71 : x
  2. Step 2: Convert to fraction form
    117,652.56/162,364.43 = 69,245.71/x
  3. Step 3: Cross multiply
    117,652.56x = 162,364.43 × 69,245.71
  4. Step 4: Simplify right side
    117,652.56x = 11,243,040,001.30
  5. Step 5: Solve for x
    x = 11,243,040,001.30/117,652.56
  6. Step 6: Final answer
    x = 95,561.37

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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.