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Finding the Fourth Proportional to 70,431.14, 97,195.84 and 38,599.36

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Solution

The fourth proportional to 70,431.14, 97,195.84 and 38,599.36 is: 53,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,431.14 : 97,195.84 = 38,599.36 : x
  2. Step 2: Convert to fraction form
    70,431.14/97,195.84 = 38,599.36/x
  3. Step 3: Cross multiply
    70,431.14x = 97,195.84 × 38,599.36
  4. Step 4: Simplify right side
    70,431.14x = 3,751,697,218.66
  5. Step 5: Solve for x
    x = 3,751,697,218.66/70,431.14
  6. Step 6: Final answer
    x = 53,267.59

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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.