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Finding the Fourth Proportional to 70,500, 97,290 and 40,692

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Solution

The fourth proportional to 70,500, 97,290 and 40,692 is: 56,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,500 : 97,290 = 40,692 : x
  2. Step 2: Convert to fraction form
    70,500/97,290 = 40,692/x
  3. Step 3: Cross multiply
    70,500x = 97,290 × 40,692
  4. Step 4: Simplify right side
    70,500x = 3,958,924,680
  5. Step 5: Solve for x
    x = 3,958,924,680/70,500
  6. Step 6: Final answer
    x = 56,154.96

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