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Finding the Fourth Proportional to 328,256.10, 492,384.15 and 106,640.10

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Solution

The fourth proportional to 328,256.10, 492,384.15 and 106,640.10 is: 159,960.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,256.10 : 492,384.15 = 106,640.10 : x
  2. Step 2: Convert to fraction form
    328,256.10/492,384.15 = 106,640.10/x
  3. Step 3: Cross multiply
    328,256.10x = 492,384.15 × 106,640.10
  4. Step 4: Simplify right side
    328,256.10x = 52,507,894,994.42
  5. Step 5: Solve for x
    x = 52,507,894,994.42/328,256.10
  6. Step 6: Final answer
    x = 159,960.15

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