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Finding the Fourth Proportional to 79,013.64, 109,035 and 45,030.09

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Solution

The fourth proportional to 79,013.64, 109,035 and 45,030.09 is: 62,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,013.64 : 109,035 = 45,030.09 : x
  2. Step 2: Convert to fraction form
    79,013.64/109,035 = 45,030.09/x
  3. Step 3: Cross multiply
    79,013.64x = 109,035 × 45,030.09
  4. Step 4: Simplify right side
    79,013.64x = 4,909,855,863.15
  5. Step 5: Solve for x
    x = 4,909,855,863.15/79,013.64
  6. Step 6: Final answer
    x = 62,139.35

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