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Finding the Fourth Proportional to 140,026.29, 209,970.31 and 61,106.37

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Solution

The fourth proportional to 140,026.29, 209,970.31 and 61,106.37 is: 91,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,026.29 : 209,970.31 = 61,106.37 : x
  2. Step 2: Convert to fraction form
    140,026.29/209,970.31 = 61,106.37/x
  3. Step 3: Cross multiply
    140,026.29x = 209,970.31 × 61,106.37
  4. Step 4: Simplify right side
    140,026.29x = 12,830,523,451.87
  5. Step 5: Solve for x
    x = 12,830,523,451.87/140,026.29
  6. Step 6: Final answer
    x = 91,629.39

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