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Finding the Fourth Proportional to 70,506.32, 97,243.71 and 43,663.73

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Solution

The fourth proportional to 70,506.32, 97,243.71 and 43,663.73 is: 60,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506.32 : 97,243.71 = 43,663.73 : x
  2. Step 2: Convert to fraction form
    70,506.32/97,243.71 = 43,663.73/x
  3. Step 3: Cross multiply
    70,506.32x = 97,243.71 × 43,663.73
  4. Step 4: Simplify right side
    70,506.32x = 4,246,022,611.42
  5. Step 5: Solve for x
    x = 4,246,022,611.42/70,506.32
  6. Step 6: Final answer
    x = 60,221.88

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Why These Related Problems?

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