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Finding the Fourth Proportional to 115,274.28, 172,929.30 and 48,714.66

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Solution

The fourth proportional to 115,274.28, 172,929.30 and 48,714.66 is: 73,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.28 : 172,929.30 = 48,714.66 : x
  2. Step 2: Convert to fraction form
    115,274.28/172,929.30 = 48,714.66/x
  3. Step 3: Cross multiply
    115,274.28x = 172,929.30 × 48,714.66
  4. Step 4: Simplify right side
    115,274.28x = 8,424,192,053.54
  5. Step 5: Solve for x
    x = 8,424,192,053.54/115,274.28
  6. Step 6: Final answer
    x = 73,079.55

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