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Finding the Fourth Proportional to 61,283.95, 84,581.69 and 57,281.74

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Solution

The fourth proportional to 61,283.95, 84,581.69 and 57,281.74 is: 79,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.95 : 84,581.69 = 57,281.74 : x
  2. Step 2: Convert to fraction form
    61,283.95/84,581.69 = 57,281.74/x
  3. Step 3: Cross multiply
    61,283.95x = 84,581.69 × 57,281.74
  4. Step 4: Simplify right side
    61,283.95x = 4,844,986,518.54
  5. Step 5: Solve for x
    x = 4,844,986,518.54/61,283.95
  6. Step 6: Final answer
    x = 79,058.00

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