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Finding the Fourth Proportional to 71,053.44, 97,341.78 and 68,394.48

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Solution

The fourth proportional to 71,053.44, 97,341.78 and 68,394.48 is: 93,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,053.44 : 97,341.78 = 68,394.48 : x
  2. Step 2: Convert to fraction form
    71,053.44/97,341.78 = 68,394.48/x
  3. Step 3: Cross multiply
    71,053.44x = 97,341.78 × 68,394.48
  4. Step 4: Simplify right side
    71,053.44x = 6,657,640,425.37
  5. Step 5: Solve for x
    x = 6,657,640,425.37/71,053.44
  6. Step 6: Final answer
    x = 93,699.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.