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Finding the Fourth Proportional to 101,361.54, 139,901.13 and 58,944.54

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Solution

The fourth proportional to 101,361.54, 139,901.13 and 58,944.54 is: 81,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361.54 : 139,901.13 = 58,944.54 : x
  2. Step 2: Convert to fraction form
    101,361.54/139,901.13 = 58,944.54/x
  3. Step 3: Cross multiply
    101,361.54x = 139,901.13 × 58,944.54
  4. Step 4: Simplify right side
    101,361.54x = 8,246,407,753.33
  5. Step 5: Solve for x
    x = 8,246,407,753.33/101,361.54
  6. Step 6: Final answer
    x = 81,356.38

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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.