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Finding the Fourth Proportional to 117,234.60, 161,765.47 and 69,480.24

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Solution

The fourth proportional to 117,234.60, 161,765.47 and 69,480.24 is: 95,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,234.60 : 161,765.47 = 69,480.24 : x
  2. Step 2: Convert to fraction form
    117,234.60/161,765.47 = 69,480.24/x
  3. Step 3: Cross multiply
    117,234.60x = 161,765.47 × 69,480.24
  4. Step 4: Simplify right side
    117,234.60x = 11,239,503,679.31
  5. Step 5: Solve for x
    x = 11,239,503,679.31/117,234.60
  6. Step 6: Final answer
    x = 95,871.90

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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.