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Finding the Fourth Proportional to 146,998.97, 220,497.63 and 53,504.72

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Solution

The fourth proportional to 146,998.97, 220,497.63 and 53,504.72 is: 80,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,998.97 : 220,497.63 = 53,504.72 : x
  2. Step 2: Convert to fraction form
    146,998.97/220,497.63 = 53,504.72/x
  3. Step 3: Cross multiply
    146,998.97x = 220,497.63 × 53,504.72
  4. Step 4: Simplify right side
    146,998.97x = 11,797,663,953.81
  5. Step 5: Solve for x
    x = 11,797,663,953.81/146,998.97
  6. Step 6: Final answer
    x = 80,256.78

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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.