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Finding the Fourth Proportional to 72,894.56, 100,594.06 and 41,073.70

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Solution

The fourth proportional to 72,894.56, 100,594.06 and 41,073.70 is: 56,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,894.56 : 100,594.06 = 41,073.70 : x
  2. Step 2: Convert to fraction form
    72,894.56/100,594.06 = 41,073.70/x
  3. Step 3: Cross multiply
    72,894.56x = 100,594.06 × 41,073.70
  4. Step 4: Simplify right side
    72,894.56x = 4,131,770,242.22
  5. Step 5: Solve for x
    x = 4,131,770,242.22/72,894.56
  6. Step 6: Final answer
    x = 56,681.46

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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.