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Finding the Fourth Proportional to 90,472.86, 124,852.08 and 50,186.20

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Solution

The fourth proportional to 90,472.86, 124,852.08 and 50,186.20 is: 69,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.86 : 124,852.08 = 50,186.20 : x
  2. Step 2: Convert to fraction form
    90,472.86/124,852.08 = 50,186.20/x
  3. Step 3: Cross multiply
    90,472.86x = 124,852.08 × 50,186.20
  4. Step 4: Simplify right side
    90,472.86x = 6,265,851,457.30
  5. Step 5: Solve for x
    x = 6,265,851,457.30/90,472.86
  6. Step 6: Final answer
    x = 69,256.70

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