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Finding the Fourth Proportional to 70,367.97, 97,007.67 and 43,495.23

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Solution

The fourth proportional to 70,367.97, 97,007.67 and 43,495.23 is: 59,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.97 : 97,007.67 = 43,495.23 : x
  2. Step 2: Convert to fraction form
    70,367.97/97,007.67 = 43,495.23/x
  3. Step 3: Cross multiply
    70,367.97x = 97,007.67 × 43,495.23
  4. Step 4: Simplify right side
    70,367.97x = 4,219,370,918.41
  5. Step 5: Solve for x
    x = 4,219,370,918.41/70,367.97
  6. Step 6: Final answer
    x = 59,961.53

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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.