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Finding the Fourth Proportional to 75,335.60, 113,003.40 and 19,931.60

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Solution

The fourth proportional to 75,335.60, 113,003.40 and 19,931.60 is: 29,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.60 : 113,003.40 = 19,931.60 : x
  2. Step 2: Convert to fraction form
    75,335.60/113,003.40 = 19,931.60/x
  3. Step 3: Cross multiply
    75,335.60x = 113,003.40 × 19,931.60
  4. Step 4: Simplify right side
    75,335.60x = 2,252,338,567.44
  5. Step 5: Solve for x
    x = 2,252,338,567.44/75,335.60
  6. Step 6: Final answer
    x = 29,897.40

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