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Finding the Fourth Proportional to 88,287.80, 132,431.70 and 46,815.80

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Solution

The fourth proportional to 88,287.80, 132,431.70 and 46,815.80 is: 70,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.80 : 132,431.70 = 46,815.80 : x
  2. Step 2: Convert to fraction form
    88,287.80/132,431.70 = 46,815.80/x
  3. Step 3: Cross multiply
    88,287.80x = 132,431.70 × 46,815.80
  4. Step 4: Simplify right side
    88,287.80x = 6,199,895,980.86
  5. Step 5: Solve for x
    x = 6,199,895,980.86/88,287.80
  6. Step 6: Final answer
    x = 70,223.70

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