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Finding the Fourth Proportional to 54,875.76, 75,728.40 and 29,725.20

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Solution

The fourth proportional to 54,875.76, 75,728.40 and 29,725.20 is: 41,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.76 : 75,728.40 = 29,725.20 : x
  2. Step 2: Convert to fraction form
    54,875.76/75,728.40 = 29,725.20/x
  3. Step 3: Cross multiply
    54,875.76x = 75,728.40 × 29,725.20
  4. Step 4: Simplify right side
    54,875.76x = 2,251,041,835.68
  5. Step 5: Solve for x
    x = 2,251,041,835.68/54,875.76
  6. Step 6: Final answer
    x = 41,020.70

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