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Finding the Fourth Proportional to 146,999.96, 220,499.14 and 53,505.72

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Solution

The fourth proportional to 146,999.96, 220,499.14 and 53,505.72 is: 80,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.96 : 220,499.14 = 53,505.72 : x
  2. Step 2: Convert to fraction form
    146,999.96/220,499.14 = 53,505.72/x
  3. Step 3: Cross multiply
    146,999.96x = 220,499.14 × 53,505.72
  4. Step 4: Simplify right side
    146,999.96x = 11,797,965,245.08
  5. Step 5: Solve for x
    x = 11,797,965,245.08/146,999.96
  6. Step 6: Final answer
    x = 80,258.29

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1.5x scale

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.