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Finding the Fourth Proportional to 288,714,861.52, 432,899,343.08 and 91,893,257.44

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Solution

The fourth proportional to 288,714,861.52, 432,899,343.08 and 91,893,257.44 is: 137,784,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,714,861.52 : 432,899,343.08 = 91,893,257.44 : x
  2. Step 2: Convert to fraction form
    288,714,861.52/432,899,343.08 = 91,893,257.44/x
  3. Step 3: Cross multiply
    288,714,861.52x = 432,899,343.08 × 91,893,257.44
  4. Step 4: Simplify right side
    288,714,861.52x = 39,780,530,779,257,320
  5. Step 5: Solve for x
    x = 39,780,530,779,257,320/288,714,861.52
  6. Step 6: Final answer
    x = 137,784,839.23

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