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Finding the Fourth Proportional to 71,495.48, 98,649.54 and 43,201.23

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Solution

The fourth proportional to 71,495.48, 98,649.54 and 43,201.23 is: 59,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.48 : 98,649.54 = 43,201.23 : x
  2. Step 2: Convert to fraction form
    71,495.48/98,649.54 = 43,201.23/x
  3. Step 3: Cross multiply
    71,495.48x = 98,649.54 × 43,201.23
  4. Step 4: Simplify right side
    71,495.48x = 4,261,781,466.93
  5. Step 5: Solve for x
    x = 4,261,781,466.93/71,495.48
  6. Step 6: Final answer
    x = 59,609.11

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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.