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Finding the Fourth Proportional to 445,195.26, 667,798.02 and 160,907.40

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Solution

The fourth proportional to 445,195.26, 667,798.02 and 160,907.40 is: 241,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,195.26 : 667,798.02 = 160,907.40 : x
  2. Step 2: Convert to fraction form
    445,195.26/667,798.02 = 160,907.40/x
  3. Step 3: Cross multiply
    445,195.26x = 667,798.02 × 160,907.40
  4. Step 4: Simplify right side
    445,195.26x = 107,453,643,123.35
  5. Step 5: Solve for x
    x = 107,453,643,123.35/445,195.26
  6. Step 6: Final answer
    x = 241,362.95

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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.