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Finding the Fourth Proportional to 69,758.52, 103,980.63 and 64,159.80

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Solution

The fourth proportional to 69,758.52, 103,980.63 and 64,159.80 is: 95,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,758.52 : 103,980.63 = 64,159.80 : x
  2. Step 2: Convert to fraction form
    69,758.52/103,980.63 = 64,159.80/x
  3. Step 3: Cross multiply
    69,758.52x = 103,980.63 × 64,159.80
  4. Step 4: Simplify right side
    69,758.52x = 6,671,376,424.67
  5. Step 5: Solve for x
    x = 6,671,376,424.67/69,758.52
  6. Step 6: Final answer
    x = 95,635.29

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