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Finding the Fourth Proportional to 70,896.13, 97,843.55 and 52,959.98

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Solution

The fourth proportional to 70,896.13, 97,843.55 and 52,959.98 is: 73,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896.13 : 97,843.55 = 52,959.98 : x
  2. Step 2: Convert to fraction form
    70,896.13/97,843.55 = 52,959.98/x
  3. Step 3: Cross multiply
    70,896.13x = 97,843.55 × 52,959.98
  4. Step 4: Simplify right side
    70,896.13x = 5,181,792,451.13
  5. Step 5: Solve for x
    x = 5,181,792,451.13/70,896.13
  6. Step 6: Final answer
    x = 73,089.92

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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.