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Finding the Fourth Proportional to 54,303.41, 74,934.62 and 30,425.47

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Solution

The fourth proportional to 54,303.41, 74,934.62 and 30,425.47 is: 41,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,303.41 : 74,934.62 = 30,425.47 : x
  2. Step 2: Convert to fraction form
    54,303.41/74,934.62 = 30,425.47/x
  3. Step 3: Cross multiply
    54,303.41x = 74,934.62 × 30,425.47
  4. Step 4: Simplify right side
    54,303.41x = 2,279,921,228.91
  5. Step 5: Solve for x
    x = 2,279,921,228.91/54,303.41
  6. Step 6: Final answer
    x = 41,984.86

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