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Finding the Fourth Proportional to 160,028.43, 220,744.22 and 103,473.15

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Solution

The fourth proportional to 160,028.43, 220,744.22 and 103,473.15 is: 142,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,028.43 : 220,744.22 = 103,473.15 : x
  2. Step 2: Convert to fraction form
    160,028.43/220,744.22 = 103,473.15/x
  3. Step 3: Cross multiply
    160,028.43x = 220,744.22 × 103,473.15
  4. Step 4: Simplify right side
    160,028.43x = 22,841,099,270.33
  5. Step 5: Solve for x
    x = 22,841,099,270.33/160,028.43
  6. Step 6: Final answer
    x = 142,731.51

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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.