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Finding the Fourth Proportional to 118,333.44, 177,616.80 and 71,677.44

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Solution

The fourth proportional to 118,333.44, 177,616.80 and 71,677.44 is: 107,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,333.44 : 177,616.80 = 71,677.44 : x
  2. Step 2: Convert to fraction form
    118,333.44/177,616.80 = 71,677.44/x
  3. Step 3: Cross multiply
    118,333.44x = 177,616.80 × 71,677.44
  4. Step 4: Simplify right side
    118,333.44x = 12,731,117,524.99
  5. Step 5: Solve for x
    x = 12,731,117,524.99/118,333.44
  6. Step 6: Final answer
    x = 107,586.81

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1.5x scale

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.