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Finding the Fourth Proportional to 124,335, 186,281.37 and 71,635.59

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Solution

The fourth proportional to 124,335, 186,281.37 and 71,635.59 is: 107,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,335 : 186,281.37 = 71,635.59 : x
  2. Step 2: Convert to fraction form
    124,335/186,281.37 = 71,635.59/x
  3. Step 3: Cross multiply
    124,335x = 186,281.37 × 71,635.59
  4. Step 4: Simplify right side
    124,335x = 13,344,375,845.96
  5. Step 5: Solve for x
    x = 13,344,375,845.96/124,335
  6. Step 6: Final answer
    x = 107,325.98

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