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Finding the Fourth Proportional to 107,118.43, 147,746.67 and 70,777.78

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Solution

The fourth proportional to 107,118.43, 147,746.67 and 70,777.78 is: 97,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,118.43 : 147,746.67 = 70,777.78 : x
  2. Step 2: Convert to fraction form
    107,118.43/147,746.67 = 70,777.78/x
  3. Step 3: Cross multiply
    107,118.43x = 147,746.67 × 70,777.78
  4. Step 4: Simplify right side
    107,118.43x = 10,457,180,670.21
  5. Step 5: Solve for x
    x = 10,457,180,670.21/107,118.43
  6. Step 6: Final answer
    x = 97,622.61

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