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Finding the Fourth Proportional to 115,124.40, 172,686.60 and 36,262.80

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Solution

The fourth proportional to 115,124.40, 172,686.60 and 36,262.80 is: 54,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,124.40 : 172,686.60 = 36,262.80 : x
  2. Step 2: Convert to fraction form
    115,124.40/172,686.60 = 36,262.80/x
  3. Step 3: Cross multiply
    115,124.40x = 172,686.60 × 36,262.80
  4. Step 4: Simplify right side
    115,124.40x = 6,262,099,638.48
  5. Step 5: Solve for x
    x = 6,262,099,638.48/115,124.40
  6. Step 6: Final answer
    x = 54,394.20

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