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Finding the Fourth Proportional to 70,383.28, 97,128.96 and 38,552.24

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Solution

The fourth proportional to 70,383.28, 97,128.96 and 38,552.24 is: 53,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,383.28 : 97,128.96 = 38,552.24 : x
  2. Step 2: Convert to fraction form
    70,383.28/97,128.96 = 38,552.24/x
  3. Step 3: Cross multiply
    70,383.28x = 97,128.96 × 38,552.24
  4. Step 4: Simplify right side
    70,383.28x = 3,744,538,976.87
  5. Step 5: Solve for x
    x = 3,744,538,976.87/70,383.28
  6. Step 6: Final answer
    x = 53,202.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.