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Finding the Fourth Proportional to 70,449.39, 97,230.09 and 43,600.53

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Solution

The fourth proportional to 70,449.39, 97,230.09 and 43,600.53 is: 60,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,449.39 : 97,230.09 = 43,600.53 : x
  2. Step 2: Convert to fraction form
    70,449.39/97,230.09 = 43,600.53/x
  3. Step 3: Cross multiply
    70,449.39x = 97,230.09 × 43,600.53
  4. Step 4: Simplify right side
    70,449.39x = 4,239,283,455.95
  5. Step 5: Solve for x
    x = 4,239,283,455.95/70,449.39
  6. Step 6: Final answer
    x = 60,174.88

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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.