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Finding the Fourth Proportional to 70,530.44, 97,331.57 and 38,699.25

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Solution

The fourth proportional to 70,530.44, 97,331.57 and 38,699.25 is: 53,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,530.44 : 97,331.57 = 38,699.25 : x
  2. Step 2: Convert to fraction form
    70,530.44/97,331.57 = 38,699.25/x
  3. Step 3: Cross multiply
    70,530.44x = 97,331.57 × 38,699.25
  4. Step 4: Simplify right side
    70,530.44x = 3,766,658,566.83
  5. Step 5: Solve for x
    x = 3,766,658,566.83/70,530.44
  6. Step 6: Final answer
    x = 53,404.73

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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.