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Finding the Fourth Proportional to 70,505.56, 97,242.68 and 43,662.97

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Solution

The fourth proportional to 70,505.56, 97,242.68 and 43,662.97 is: 60,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,505.56 : 97,242.68 = 43,662.97 : x
  2. Step 2: Convert to fraction form
    70,505.56/97,242.68 = 43,662.97/x
  3. Step 3: Cross multiply
    70,505.56x = 97,242.68 × 43,662.97
  4. Step 4: Simplify right side
    70,505.56x = 4,245,904,085.61
  5. Step 5: Solve for x
    x = 4,245,904,085.61/70,505.56
  6. Step 6: Final answer
    x = 60,220.84

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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.