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Finding the Fourth Proportional to 124,070.16, 186,013.52 and 39,781.44

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Solution

The fourth proportional to 124,070.16, 186,013.52 and 39,781.44 is: 59,642.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,070.16 : 186,013.52 = 39,781.44 : x
  2. Step 2: Convert to fraction form
    124,070.16/186,013.52 = 39,781.44/x
  3. Step 3: Cross multiply
    124,070.16x = 186,013.52 × 39,781.44
  4. Step 4: Simplify right side
    124,070.16x = 7,399,885,685.07
  5. Step 5: Solve for x
    x = 7,399,885,685.07/124,070.16
  6. Step 6: Final answer
    x = 59,642.75

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