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Finding the Fourth Proportional to 368,016.55, 552,024.14 and 115,316.40

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Solution

The fourth proportional to 368,016.55, 552,024.14 and 115,316.40 is: 172,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,016.55 : 552,024.14 = 115,316.40 : x
  2. Step 2: Convert to fraction form
    368,016.55/552,024.14 = 115,316.40/x
  3. Step 3: Cross multiply
    368,016.55x = 552,024.14 × 115,316.40
  4. Step 4: Simplify right side
    368,016.55x = 63,657,438,031.40
  5. Step 5: Solve for x
    x = 63,657,438,031.40/368,016.55
  6. Step 6: Final answer
    x = 172,974.39

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