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Finding the Fourth Proportional to 55,108.94, 76,051.08 and 29,958.98

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Solution

The fourth proportional to 55,108.94, 76,051.08 and 29,958.98 is: 41,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,108.94 : 76,051.08 = 29,958.98 : x
  2. Step 2: Convert to fraction form
    55,108.94/76,051.08 = 29,958.98/x
  3. Step 3: Cross multiply
    55,108.94x = 76,051.08 × 29,958.98
  4. Step 4: Simplify right side
    55,108.94x = 2,278,412,784.70
  5. Step 5: Solve for x
    x = 2,278,412,784.70/55,108.94
  6. Step 6: Final answer
    x = 41,343.80

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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.