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Finding the Fourth Proportional to 90,875.99, 136,341.80 and 46,534.13

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Solution

The fourth proportional to 90,875.99, 136,341.80 and 46,534.13 is: 69,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,875.99 : 136,341.80 = 46,534.13 : x
  2. Step 2: Convert to fraction form
    90,875.99/136,341.80 = 46,534.13/x
  3. Step 3: Cross multiply
    90,875.99x = 136,341.80 × 46,534.13
  4. Step 4: Simplify right side
    90,875.99x = 6,344,546,817.04
  5. Step 5: Solve for x
    x = 6,344,546,817.04/90,875.99
  6. Step 6: Final answer
    x = 69,815.43

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