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Finding the Fourth Proportional to 61,303.12, 91,955.83 and 16,931.05

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Solution

The fourth proportional to 61,303.12, 91,955.83 and 16,931.05 is: 25,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,303.12 : 91,955.83 = 16,931.05 : x
  2. Step 2: Convert to fraction form
    61,303.12/91,955.83 = 16,931.05/x
  3. Step 3: Cross multiply
    61,303.12x = 91,955.83 × 16,931.05
  4. Step 4: Simplify right side
    61,303.12x = 1,556,908,640.58
  5. Step 5: Solve for x
    x = 1,556,908,640.58/61,303.12
  6. Step 6: Final answer
    x = 25,396.89

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