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Finding the Fourth Proportional to 76,699.56, 105,852.54 and 44,866.44

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Solution

The fourth proportional to 76,699.56, 105,852.54 and 44,866.44 is: 61,919.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,699.56 : 105,852.54 = 44,866.44 : x
  2. Step 2: Convert to fraction form
    76,699.56/105,852.54 = 44,866.44/x
  3. Step 3: Cross multiply
    76,699.56x = 105,852.54 × 44,866.44
  4. Step 4: Simplify right side
    76,699.56x = 4,749,226,634.76
  5. Step 5: Solve for x
    x = 4,749,226,634.76/76,699.56
  6. Step 6: Final answer
    x = 61,919.87

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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.