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Finding the Fourth Proportional to 101,245.73, 139,713.41 and 63,004.11

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Solution

The fourth proportional to 101,245.73, 139,713.41 and 63,004.11 is: 86,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,245.73 : 139,713.41 = 63,004.11 : x
  2. Step 2: Convert to fraction form
    101,245.73/139,713.41 = 63,004.11/x
  3. Step 3: Cross multiply
    101,245.73x = 139,713.41 × 63,004.11
  4. Step 4: Simplify right side
    101,245.73x = 8,802,518,737.09
  5. Step 5: Solve for x
    x = 8,802,518,737.09/101,245.73
  6. Step 6: Final answer
    x = 86,942.13

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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.