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Finding the Fourth Proportional to 124,581.20, 187,044.60 and 77,925.20

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Solution

The fourth proportional to 124,581.20, 187,044.60 and 77,925.20 is: 116,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.20 : 187,044.60 = 77,925.20 : x
  2. Step 2: Convert to fraction form
    124,581.20/187,044.60 = 77,925.20/x
  3. Step 3: Cross multiply
    124,581.20x = 187,044.60 × 77,925.20
  4. Step 4: Simplify right side
    124,581.20x = 14,575,487,863.92
  5. Step 5: Solve for x
    x = 14,575,487,863.92/124,581.20
  6. Step 6: Final answer
    x = 116,995.89

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