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Finding the Fourth Proportional to 61,292.96, 84,594.14 and 57,290.76

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Solution

The fourth proportional to 61,292.96, 84,594.14 and 57,290.76 is: 79,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,292.96 : 84,594.14 = 57,290.76 : x
  2. Step 2: Convert to fraction form
    61,292.96/84,594.14 = 57,290.76/x
  3. Step 3: Cross multiply
    61,292.96x = 84,594.14 × 57,290.76
  4. Step 4: Simplify right side
    61,292.96x = 4,846,462,572.15
  5. Step 5: Solve for x
    x = 4,846,462,572.15/61,292.96
  6. Step 6: Final answer
    x = 79,070.46

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