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Finding the Fourth Proportional to 64,300.71, 96,415.83 and 19,915.14

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Solution

The fourth proportional to 64,300.71, 96,415.83 and 19,915.14 is: 29,861.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,300.71 : 96,415.83 = 19,915.14 : x
  2. Step 2: Convert to fraction form
    64,300.71/96,415.83 = 19,915.14/x
  3. Step 3: Cross multiply
    64,300.71x = 96,415.83 × 19,915.14
  4. Step 4: Simplify right side
    64,300.71x = 1,920,134,752.67
  5. Step 5: Solve for x
    x = 1,920,134,752.67/64,300.71
  6. Step 6: Final answer
    x = 29,861.80

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