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Finding the Fourth Proportional to 76,204.44, 105,174.09 and 45,994.05

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Solution

The fourth proportional to 76,204.44, 105,174.09 and 45,994.05 is: 63,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,204.44 : 105,174.09 = 45,994.05 : x
  2. Step 2: Convert to fraction form
    76,204.44/105,174.09 = 45,994.05/x
  3. Step 3: Cross multiply
    76,204.44x = 105,174.09 × 45,994.05
  4. Step 4: Simplify right side
    76,204.44x = 4,837,382,354.16
  5. Step 5: Solve for x
    x = 4,837,382,354.16/76,204.44
  6. Step 6: Final answer
    x = 63,479.01

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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.