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Finding the Fourth Proportional to 125.31, 188.00 and 43.06

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Solution

The fourth proportional to 125.31, 188.00 and 43.06 is: 64.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.31 : 188.00 = 43.06 : x
  2. Step 2: Convert to fraction form
    125.31/188.00 = 43.06/x
  3. Step 3: Cross multiply
    125.31x = 188.00 × 43.06
  4. Step 4: Simplify right side
    125.31x = 8,095.81
  5. Step 5: Solve for x
    x = 8,095.81/125.31
  6. Step 6: Final answer
    x = 64.61

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