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Finding the Fourth Proportional to 73,164.56, 100,966.36 and 42,944.52

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Solution

The fourth proportional to 73,164.56, 100,966.36 and 42,944.52 is: 59,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,164.56 : 100,966.36 = 42,944.52 : x
  2. Step 2: Convert to fraction form
    73,164.56/100,966.36 = 42,944.52/x
  3. Step 3: Cross multiply
    73,164.56x = 100,966.36 × 42,944.52
  4. Step 4: Simplify right side
    73,164.56x = 4,335,951,866.35
  5. Step 5: Solve for x
    x = 4,335,951,866.35/73,164.56
  6. Step 6: Final answer
    x = 59,263.01

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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.