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Finding the Fourth Proportional to 70,845, 97,764.62 and 39,014.16

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Solution

The fourth proportional to 70,845, 97,764.62 and 39,014.16 is: 53,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845 : 97,764.62 = 39,014.16 : x
  2. Step 2: Convert to fraction form
    70,845/97,764.62 = 39,014.16/x
  3. Step 3: Cross multiply
    70,845x = 97,764.62 × 39,014.16
  4. Step 4: Simplify right side
    70,845x = 3,814,204,331.95
  5. Step 5: Solve for x
    x = 3,814,204,331.95/70,845
  6. Step 6: Final answer
    x = 53,838.72

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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.