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Finding the Fourth Proportional to 121,217.32, 181,855.02 and 38,111.32

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Solution

The fourth proportional to 121,217.32, 181,855.02 and 38,111.32 is: 57,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.32 : 181,855.02 = 38,111.32 : x
  2. Step 2: Convert to fraction form
    121,217.32/181,855.02 = 38,111.32/x
  3. Step 3: Cross multiply
    121,217.32x = 181,855.02 × 38,111.32
  4. Step 4: Simplify right side
    121,217.32x = 6,930,734,860.83
  5. Step 5: Solve for x
    x = 6,930,734,860.83/121,217.32
  6. Step 6: Final answer
    x = 57,176.11

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