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Finding the Fourth Proportional to 75,307.80, 112,929.30 and 37,853.40

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Solution

The fourth proportional to 75,307.80, 112,929.30 and 37,853.40 is: 56,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,307.80 : 112,929.30 = 37,853.40 : x
  2. Step 2: Convert to fraction form
    75,307.80/112,929.30 = 37,853.40/x
  3. Step 3: Cross multiply
    75,307.80x = 112,929.30 × 37,853.40
  4. Step 4: Simplify right side
    75,307.80x = 4,274,757,964.62
  5. Step 5: Solve for x
    x = 4,274,757,964.62/75,307.80
  6. Step 6: Final answer
    x = 56,763.81

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