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Finding the Fourth Proportional to 72,338.58, 99,853.45 and 58,886.49

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Solution

The fourth proportional to 72,338.58, 99,853.45 and 58,886.49 is: 81,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338.58 : 99,853.45 = 58,886.49 : x
  2. Step 2: Convert to fraction form
    72,338.58/99,853.45 = 58,886.49/x
  3. Step 3: Cross multiply
    72,338.58x = 99,853.45 × 58,886.49
  4. Step 4: Simplify right side
    72,338.58x = 5,880,019,184.89
  5. Step 5: Solve for x
    x = 5,880,019,184.89/72,338.58
  6. Step 6: Final answer
    x = 81,284.69

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