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Finding the Fourth Proportional to 101,167.60, 139,600.44 and 58,138.36

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Solution

The fourth proportional to 101,167.60, 139,600.44 and 58,138.36 is: 80,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167.60 : 139,600.44 = 58,138.36 : x
  2. Step 2: Convert to fraction form
    101,167.60/139,600.44 = 58,138.36/x
  3. Step 3: Cross multiply
    101,167.60x = 139,600.44 × 58,138.36
  4. Step 4: Simplify right side
    101,167.60x = 8,116,140,636.88
  5. Step 5: Solve for x
    x = 8,116,140,636.88/101,167.60
  6. Step 6: Final answer
    x = 80,224.70

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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.