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Finding the Fourth Proportional to 186,324.16, 279,621.60 and 139,702.72

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Solution

The fourth proportional to 186,324.16, 279,621.60 and 139,702.72 is: 209,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,324.16 : 279,621.60 = 139,702.72 : x
  2. Step 2: Convert to fraction form
    186,324.16/279,621.60 = 139,702.72/x
  3. Step 3: Cross multiply
    186,324.16x = 279,621.60 × 139,702.72
  4. Step 4: Simplify right side
    186,324.16x = 39,063,898,090.75
  5. Step 5: Solve for x
    x = 39,063,898,090.75/186,324.16
  6. Step 6: Final answer
    x = 209,655.57

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