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Finding the Fourth Proportional to 146,993.47, 220,489.38 and 53,499.22

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Solution

The fourth proportional to 146,993.47, 220,489.38 and 53,499.22 is: 80,248.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,993.47 : 220,489.38 = 53,499.22 : x
  2. Step 2: Convert to fraction form
    146,993.47/220,489.38 = 53,499.22/x
  3. Step 3: Cross multiply
    146,993.47x = 220,489.38 × 53,499.22
  4. Step 4: Simplify right side
    146,993.47x = 11,796,009,297.06
  5. Step 5: Solve for x
    x = 11,796,009,297.06/146,993.47
  6. Step 6: Final answer
    x = 80,248.53

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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.