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Finding the Fourth Proportional to 147,120.96, 203,028.48 and 80,052.96

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Solution

The fourth proportional to 147,120.96, 203,028.48 and 80,052.96 is: 110,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,120.96 : 203,028.48 = 80,052.96 : x
  2. Step 2: Convert to fraction form
    147,120.96/203,028.48 = 80,052.96/x
  3. Step 3: Cross multiply
    147,120.96x = 203,028.48 × 80,052.96
  4. Step 4: Simplify right side
    147,120.96x = 16,253,030,788.30
  5. Step 5: Solve for x
    x = 16,253,030,788.30/147,120.96
  6. Step 6: Final answer
    x = 110,473.93

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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.