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Finding the Fourth Proportional to 66,378.48, 99,464.04 and 56,477.04

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Solution

The fourth proportional to 66,378.48, 99,464.04 and 56,477.04 is: 84,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,378.48 : 99,464.04 = 56,477.04 : x
  2. Step 2: Convert to fraction form
    66,378.48/99,464.04 = 56,477.04/x
  3. Step 3: Cross multiply
    66,378.48x = 99,464.04 × 56,477.04
  4. Step 4: Simplify right side
    66,378.48x = 5,617,434,565.64
  5. Step 5: Solve for x
    x = 5,617,434,565.64/66,378.48
  6. Step 6: Final answer
    x = 84,627.35

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