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Finding the Fourth Proportional to 218,751.03, 328,001.40 and 130,066.56

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Solution

The fourth proportional to 218,751.03, 328,001.40 and 130,066.56 is: 195,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,751.03 : 328,001.40 = 130,066.56 : x
  2. Step 2: Convert to fraction form
    218,751.03/328,001.40 = 130,066.56/x
  3. Step 3: Cross multiply
    218,751.03x = 328,001.40 × 130,066.56
  4. Step 4: Simplify right side
    218,751.03x = 42,662,013,773.18
  5. Step 5: Solve for x
    x = 42,662,013,773.18/218,751.03
  6. Step 6: Final answer
    x = 195,025.43

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