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Finding the Fourth Proportional to 82,458.60, 123,712.20 and 26,306.70

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Solution

The fourth proportional to 82,458.60, 123,712.20 and 26,306.70 is: 39,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,458.60 : 123,712.20 = 26,306.70 : x
  2. Step 2: Convert to fraction form
    82,458.60/123,712.20 = 26,306.70/x
  3. Step 3: Cross multiply
    82,458.60x = 123,712.20 × 26,306.70
  4. Step 4: Simplify right side
    82,458.60x = 3,254,459,731.74
  5. Step 5: Solve for x
    x = 3,254,459,731.74/82,458.60
  6. Step 6: Final answer
    x = 39,467.80

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