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Finding the Fourth Proportional to 70,731.48, 97,611.29 and 38,901.22

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Solution

The fourth proportional to 70,731.48, 97,611.29 and 38,901.22 is: 53,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,731.48 : 97,611.29 = 38,901.22 : x
  2. Step 2: Convert to fraction form
    70,731.48/97,611.29 = 38,901.22/x
  3. Step 3: Cross multiply
    70,731.48x = 97,611.29 × 38,901.22
  4. Step 4: Simplify right side
    70,731.48x = 3,797,198,192.94
  5. Step 5: Solve for x
    x = 3,797,198,192.94/70,731.48
  6. Step 6: Final answer
    x = 53,684.70

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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.