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Finding the Fourth Proportional to 199,622.60, 299,384.49 and 119,610.80

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Solution

The fourth proportional to 199,622.60, 299,384.49 and 119,610.80 is: 179,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.60 : 299,384.49 = 119,610.80 : x
  2. Step 2: Convert to fraction form
    199,622.60/299,384.49 = 119,610.80/x
  3. Step 3: Cross multiply
    199,622.60x = 299,384.49 × 119,610.80
  4. Step 4: Simplify right side
    199,622.60x = 35,809,618,356.49
  5. Step 5: Solve for x
    x = 35,809,618,356.49/199,622.60
  6. Step 6: Final answer
    x = 179,386.59

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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.