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Finding the Fourth Proportional to 99,374.40, 137,138.93 and 54,054.80

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Solution

The fourth proportional to 99,374.40, 137,138.93 and 54,054.80 is: 74,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,374.40 : 137,138.93 = 54,054.80 : x
  2. Step 2: Convert to fraction form
    99,374.40/137,138.93 = 54,054.80/x
  3. Step 3: Cross multiply
    99,374.40x = 137,138.93 × 54,054.80
  4. Step 4: Simplify right side
    99,374.40x = 7,413,017,965.78
  5. Step 5: Solve for x
    x = 7,413,017,965.78/99,374.40
  6. Step 6: Final answer
    x = 74,596.86

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