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Finding the Fourth Proportional to 177,505.59, 266,386.83 and 69,450.94

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Solution

The fourth proportional to 177,505.59, 266,386.83 and 69,450.94 is: 104,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,505.59 : 266,386.83 = 69,450.94 : x
  2. Step 2: Convert to fraction form
    177,505.59/266,386.83 = 69,450.94/x
  3. Step 3: Cross multiply
    177,505.59x = 266,386.83 × 69,450.94
  4. Step 4: Simplify right side
    177,505.59x = 18,500,815,747.12
  5. Step 5: Solve for x
    x = 18,500,815,747.12/177,505.59
  6. Step 6: Final answer
    x = 104,226.67

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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.