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Finding the Fourth Proportional to 314,879.22, 472,335.23 and 90,218.34

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Solution

The fourth proportional to 314,879.22, 472,335.23 and 90,218.34 is: 135,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,879.22 : 472,335.23 = 90,218.34 : x
  2. Step 2: Convert to fraction form
    314,879.22/472,335.23 = 90,218.34/x
  3. Step 3: Cross multiply
    314,879.22x = 472,335.23 × 90,218.34
  4. Step 4: Simplify right side
    314,879.22x = 42,613,300,599.66
  5. Step 5: Solve for x
    x = 42,613,300,599.66/314,879.22
  6. Step 6: Final answer
    x = 135,332.21

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