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Finding the Fourth Proportional to 76,625.63, 105,741.73 and 44,361.61

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Solution

The fourth proportional to 76,625.63, 105,741.73 and 44,361.61 is: 61,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625.63 : 105,741.73 = 44,361.61 : x
  2. Step 2: Convert to fraction form
    76,625.63/105,741.73 = 44,361.61/x
  3. Step 3: Cross multiply
    76,625.63x = 105,741.73 × 44,361.61
  4. Step 4: Simplify right side
    76,625.63x = 4,690,873,386.99
  5. Step 5: Solve for x
    x = 4,690,873,386.99/76,625.63
  6. Step 6: Final answer
    x = 61,218.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.