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Finding the Fourth Proportional to 66,691.13, 99,925.62 and 46,928.16

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Solution

The fourth proportional to 66,691.13, 99,925.62 and 46,928.16 is: 70,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691.13 : 99,925.62 = 46,928.16 : x
  2. Step 2: Convert to fraction form
    66,691.13/99,925.62 = 46,928.16/x
  3. Step 3: Cross multiply
    66,691.13x = 99,925.62 × 46,928.16
  4. Step 4: Simplify right side
    66,691.13x = 4,689,325,850.59
  5. Step 5: Solve for x
    x = 4,689,325,850.59/66,691.13
  6. Step 6: Final answer
    x = 70,314.08

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