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Finding the Fourth Proportional to 65,664,441.60, 98,496,662.40 and 38,454,662.40

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Solution

The fourth proportional to 65,664,441.60, 98,496,662.40 and 38,454,662.40 is: 57,681,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,664,441.60 : 98,496,662.40 = 38,454,662.40 : x
  2. Step 2: Convert to fraction form
    65,664,441.60/98,496,662.40 = 38,454,662.40/x
  3. Step 3: Cross multiply
    65,664,441.60x = 98,496,662.40 × 38,454,662.40
  4. Step 4: Simplify right side
    65,664,441.60x = 3,787,655,900,118,774
  5. Step 5: Solve for x
    x = 3,787,655,900,118,774/65,664,441.60
  6. Step 6: Final answer
    x = 57,681,993.60

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