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Finding the Fourth Proportional to 133,878.16, 200,818.68 and 40,384.72

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Solution

The fourth proportional to 133,878.16, 200,818.68 and 40,384.72 is: 60,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.16 : 200,818.68 = 40,384.72 : x
  2. Step 2: Convert to fraction form
    133,878.16/200,818.68 = 40,384.72/x
  3. Step 3: Cross multiply
    133,878.16x = 200,818.68 × 40,384.72
  4. Step 4: Simplify right side
    133,878.16x = 8,110,006,162.57
  5. Step 5: Solve for x
    x = 8,110,006,162.57/133,878.16
  6. Step 6: Final answer
    x = 60,577.51

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