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Finding the Fourth Proportional to 56,273.65, 77,646.41 and 31,118.29

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Solution

The fourth proportional to 56,273.65, 77,646.41 and 31,118.29 is: 42,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,273.65 : 77,646.41 = 31,118.29 : x
  2. Step 2: Convert to fraction form
    56,273.65/77,646.41 = 31,118.29/x
  3. Step 3: Cross multiply
    56,273.65x = 77,646.41 × 31,118.29
  4. Step 4: Simplify right side
    56,273.65x = 2,416,223,348.25
  5. Step 5: Solve for x
    x = 2,416,223,348.25/56,273.65
  6. Step 6: Final answer
    x = 42,937.03

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