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Finding the Fourth Proportional to 83,429.88, 115,131.69 and 45,703.86

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Solution

The fourth proportional to 83,429.88, 115,131.69 and 45,703.86 is: 63,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,429.88 : 115,131.69 = 45,703.86 : x
  2. Step 2: Convert to fraction form
    83,429.88/115,131.69 = 45,703.86/x
  3. Step 3: Cross multiply
    83,429.88x = 115,131.69 × 45,703.86
  4. Step 4: Simplify right side
    83,429.88x = 5,261,962,641.32
  5. Step 5: Solve for x
    x = 5,261,962,641.32/83,429.88
  6. Step 6: Final answer
    x = 63,070.48

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