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Finding the Fourth Proportional to 177,993.05, 266,955.55 and 53,334.05

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Solution

The fourth proportional to 177,993.05, 266,955.55 and 53,334.05 is: 79,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,993.05 : 266,955.55 = 53,334.05 : x
  2. Step 2: Convert to fraction form
    177,993.05/266,955.55 = 53,334.05/x
  3. Step 3: Cross multiply
    177,993.05x = 266,955.55 × 53,334.05
  4. Step 4: Simplify right side
    177,993.05x = 14,237,819,183.36
  5. Step 5: Solve for x
    x = 14,237,819,183.36/177,993.05
  6. Step 6: Final answer
    x = 79,990.87

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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.