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Finding the Fourth Proportional to 53,319.05, 73,594.54 and 30,660.51

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Solution

The fourth proportional to 53,319.05, 73,594.54 and 30,660.51 is: 42,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.05 : 73,594.54 = 30,660.51 : x
  2. Step 2: Convert to fraction form
    53,319.05/73,594.54 = 30,660.51/x
  3. Step 3: Cross multiply
    53,319.05x = 73,594.54 × 30,660.51
  4. Step 4: Simplify right side
    53,319.05x = 2,256,446,129.62
  5. Step 5: Solve for x
    x = 2,256,446,129.62/53,319.05
  6. Step 6: Final answer
    x = 42,319.70

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