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Finding the Fourth Proportional to 117,495.96, 162,147.17 and 69,749.49

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Solution

The fourth proportional to 117,495.96, 162,147.17 and 69,749.49 is: 96,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,495.96 : 162,147.17 = 69,749.49 : x
  2. Step 2: Convert to fraction form
    117,495.96/162,147.17 = 69,749.49/x
  3. Step 3: Cross multiply
    117,495.96x = 162,147.17 × 69,749.49
  4. Step 4: Simplify right side
    117,495.96x = 11,309,682,063.70
  5. Step 5: Solve for x
    x = 11,309,682,063.70/117,495.96
  6. Step 6: Final answer
    x = 96,255.92

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1.5x scale

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.