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Finding the Fourth Proportional to 76,044.10, 104,936.61 and 42,050.53

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Solution

The fourth proportional to 76,044.10, 104,936.61 and 42,050.53 is: 58,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.10 : 104,936.61 = 42,050.53 : x
  2. Step 2: Convert to fraction form
    76,044.10/104,936.61 = 42,050.53/x
  3. Step 3: Cross multiply
    76,044.10x = 104,936.61 × 42,050.53
  4. Step 4: Simplify right side
    76,044.10x = 4,412,640,066.90
  5. Step 5: Solve for x
    x = 4,412,640,066.90/76,044.10
  6. Step 6: Final answer
    x = 58,027.38

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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.