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Finding the Fourth Proportional to 121,017.52, 181,543.56 and 37,918

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Solution

The fourth proportional to 121,017.52, 181,543.56 and 37,918 is: 56,882.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,017.52 : 181,543.56 = 37,918 : x
  2. Step 2: Convert to fraction form
    121,017.52/181,543.56 = 37,918/x
  3. Step 3: Cross multiply
    121,017.52x = 181,543.56 × 37,918
  4. Step 4: Simplify right side
    121,017.52x = 6,883,768,708.08
  5. Step 5: Solve for x
    x = 6,883,768,708.08/121,017.52
  6. Step 6: Final answer
    x = 56,882.41

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