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Finding the Fourth Proportional to 103,506.94, 155,293.21 and 36,945.59

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Solution

The fourth proportional to 103,506.94, 155,293.21 and 36,945.59 is: 55,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,506.94 : 155,293.21 = 36,945.59 : x
  2. Step 2: Convert to fraction form
    103,506.94/155,293.21 = 36,945.59/x
  3. Step 3: Cross multiply
    103,506.94x = 155,293.21 × 36,945.59
  4. Step 4: Simplify right side
    103,506.94x = 5,737,399,266.44
  5. Step 5: Solve for x
    x = 5,737,399,266.44/103,506.94
  6. Step 6: Final answer
    x = 55,430.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.