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Finding the Fourth Proportional to 104,116.50, 143,669.75 and 58,791.74

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Solution

The fourth proportional to 104,116.50, 143,669.75 and 58,791.74 is: 81,126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,116.50 : 143,669.75 = 58,791.74 : x
  2. Step 2: Convert to fraction form
    104,116.50/143,669.75 = 58,791.74/x
  3. Step 3: Cross multiply
    104,116.50x = 143,669.75 × 58,791.74
  4. Step 4: Simplify right side
    104,116.50x = 8,446,593,575.56
  5. Step 5: Solve for x
    x = 8,446,593,575.56/104,116.50
  6. Step 6: Final answer
    x = 81,126.37

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1.5x scale

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.