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Finding the Fourth Proportional to 106,585,052.80, 147,025,978.20 and 64,169,085.68

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Solution

The fourth proportional to 106,585,052.80, 147,025,978.20 and 64,169,085.68 is: 88,516,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,585,052.80 : 147,025,978.20 = 64,169,085.68 : x
  2. Step 2: Convert to fraction form
    106,585,052.80/147,025,978.20 = 64,169,085.68/x
  3. Step 3: Cross multiply
    106,585,052.80x = 147,025,978.20 × 64,169,085.68
  4. Step 4: Simplify right side
    106,585,052.80x = 9,434,522,592,301,612
  5. Step 5: Solve for x
    x = 9,434,522,592,301,612/106,585,052.80
  6. Step 6: Final answer
    x = 88,516,375.84

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