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Finding the Fourth Proportional to 62,208.72, 85,780.26 and 42,030.60

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Solution

The fourth proportional to 62,208.72, 85,780.26 and 42,030.60 is: 57,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208.72 : 85,780.26 = 42,030.60 : x
  2. Step 2: Convert to fraction form
    62,208.72/85,780.26 = 42,030.60/x
  3. Step 3: Cross multiply
    62,208.72x = 85,780.26 × 42,030.60
  4. Step 4: Simplify right side
    62,208.72x = 3,605,395,795.96
  5. Step 5: Solve for x
    x = 3,605,395,795.96/62,208.72
  6. Step 6: Final answer
    x = 57,956.44

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