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Finding the Fourth Proportional to 101,359.29, 139,898.03 and 58,942.29

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Solution

The fourth proportional to 101,359.29, 139,898.03 and 58,942.29 is: 81,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,359.29 : 139,898.03 = 58,942.29 : x
  2. Step 2: Convert to fraction form
    101,359.29/139,898.03 = 58,942.29/x
  3. Step 3: Cross multiply
    101,359.29x = 139,898.03 × 58,942.29
  4. Step 4: Simplify right side
    101,359.29x = 8,245,909,959.98
  5. Step 5: Solve for x
    x = 8,245,909,959.98/101,359.29
  6. Step 6: Final answer
    x = 81,353.27

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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.