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Finding the Fourth Proportional to 70,506.44, 97,243.89 and 43,663.85

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Solution

The fourth proportional to 70,506.44, 97,243.89 and 43,663.85 is: 60,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506.44 : 97,243.89 = 43,663.85 : x
  2. Step 2: Convert to fraction form
    70,506.44/97,243.89 = 43,663.85/x
  3. Step 3: Cross multiply
    70,506.44x = 97,243.89 × 43,663.85
  4. Step 4: Simplify right side
    70,506.44x = 4,246,042,140.16
  5. Step 5: Solve for x
    x = 4,246,042,140.16/70,506.44
  6. Step 6: Final answer
    x = 60,222.05

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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.