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Finding the Fourth Proportional to 265,557.02, 398,397.79 and 105,642.03

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Solution

The fourth proportional to 265,557.02, 398,397.79 and 105,642.03 is: 158,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,557.02 : 398,397.79 = 105,642.03 : x
  2. Step 2: Convert to fraction form
    265,557.02/398,397.79 = 105,642.03/x
  3. Step 3: Cross multiply
    265,557.02x = 398,397.79 × 105,642.03
  4. Step 4: Simplify right side
    265,557.02x = 42,087,551,283.11
  5. Step 5: Solve for x
    x = 42,087,551,283.11/265,557.02
  6. Step 6: Final answer
    x = 158,487.81

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