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Finding the Fourth Proportional to 75,978.35, 113,931.76 and 44,397.53

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Solution

The fourth proportional to 75,978.35, 113,931.76 and 44,397.53 is: 66,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,978.35 : 113,931.76 = 44,397.53 : x
  2. Step 2: Convert to fraction form
    75,978.35/113,931.76 = 44,397.53/x
  3. Step 3: Cross multiply
    75,978.35x = 113,931.76 × 44,397.53
  4. Step 4: Simplify right side
    75,978.35x = 5,058,288,732.55
  5. Step 5: Solve for x
    x = 5,058,288,732.55/75,978.35
  6. Step 6: Final answer
    x = 66,575.40

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