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Finding the Fourth Proportional to 311,575.56, 467,176.08 and 121,809.90

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Solution

The fourth proportional to 311,575.56, 467,176.08 and 121,809.90 is: 182,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,575.56 : 467,176.08 = 121,809.90 : x
  2. Step 2: Convert to fraction form
    311,575.56/467,176.08 = 121,809.90/x
  3. Step 3: Cross multiply
    311,575.56x = 467,176.08 × 121,809.90
  4. Step 4: Simplify right side
    311,575.56x = 56,906,671,587.19
  5. Step 5: Solve for x
    x = 56,906,671,587.19/311,575.56
  6. Step 6: Final answer
    x = 182,641.64

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