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Finding the Fourth Proportional to 79,116, 118,703.19 and 41,674.56

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Solution

The fourth proportional to 79,116, 118,703.19 and 41,674.56 is: 62,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116 : 118,703.19 = 41,674.56 : x
  2. Step 2: Convert to fraction form
    79,116/118,703.19 = 41,674.56/x
  3. Step 3: Cross multiply
    79,116x = 118,703.19 × 41,674.56
  4. Step 4: Simplify right side
    79,116x = 4,946,903,213.85
  5. Step 5: Solve for x
    x = 4,946,903,213.85/79,116
  6. Step 6: Final answer
    x = 62,527.22

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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.