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Finding the Fourth Proportional to 79,193.80, 118,825.32 and 68,674.24

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Solution

The fourth proportional to 79,193.80, 118,825.32 and 68,674.24 is: 103,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.80 : 118,825.32 = 68,674.24 : x
  2. Step 2: Convert to fraction form
    79,193.80/118,825.32 = 68,674.24/x
  3. Step 3: Cross multiply
    79,193.80x = 118,825.32 × 68,674.24
  4. Step 4: Simplify right side
    79,193.80x = 8,160,238,543.76
  5. Step 5: Solve for x
    x = 8,160,238,543.76/79,193.80
  6. Step 6: Final answer
    x = 103,041.38

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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.