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Finding the Fourth Proportional to 220,444.72, 303,673.80 and 159,837.28

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Solution

The fourth proportional to 220,444.72, 303,673.80 and 159,837.28 is: 220,183.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,444.72 : 303,673.80 = 159,837.28 : x
  2. Step 2: Convert to fraction form
    220,444.72/303,673.80 = 159,837.28/x
  3. Step 3: Cross multiply
    220,444.72x = 303,673.80 × 159,837.28
  4. Step 4: Simplify right side
    220,444.72x = 48,538,394,199.26
  5. Step 5: Solve for x
    x = 48,538,394,199.26/220,444.72
  6. Step 6: Final answer
    x = 220,183.97

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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.