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Finding the Fourth Proportional to 101,447.52, 139,800.24 and 73,099.68

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Solution

The fourth proportional to 101,447.52, 139,800.24 and 73,099.68 is: 100,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,447.52 : 139,800.24 = 73,099.68 : x
  2. Step 2: Convert to fraction form
    101,447.52/139,800.24 = 73,099.68/x
  3. Step 3: Cross multiply
    101,447.52x = 139,800.24 × 73,099.68
  4. Step 4: Simplify right side
    101,447.52x = 10,219,352,807.92
  5. Step 5: Solve for x
    x = 10,219,352,807.92/101,447.52
  6. Step 6: Final answer
    x = 100,735.36

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1.5x scale

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.