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Finding the Fourth Proportional to 105,574.44, 145,696.28 and 57,830.48

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Solution

The fourth proportional to 105,574.44, 145,696.28 and 57,830.48 is: 79,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,574.44 : 145,696.28 = 57,830.48 : x
  2. Step 2: Convert to fraction form
    105,574.44/145,696.28 = 57,830.48/x
  3. Step 3: Cross multiply
    105,574.44x = 145,696.28 × 57,830.48
  4. Step 4: Simplify right side
    105,574.44x = 8,425,684,788.98
  5. Step 5: Solve for x
    x = 8,425,684,788.98/105,574.44
  6. Step 6: Final answer
    x = 79,808.00

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