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Finding the Fourth Proportional to 61,269, 91,925.40 and 30,126.12

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Solution

The fourth proportional to 61,269, 91,925.40 and 30,126.12 is: 45,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,269 : 91,925.40 = 30,126.12 : x
  2. Step 2: Convert to fraction form
    61,269/91,925.40 = 30,126.12/x
  3. Step 3: Cross multiply
    61,269x = 91,925.40 × 30,126.12
  4. Step 4: Simplify right side
    61,269x = 2,769,355,631.45
  5. Step 5: Solve for x
    x = 2,769,355,631.45/61,269
  6. Step 6: Final answer
    x = 45,199.95

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