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Finding the Fourth Proportional to 245,114.80, 367,283.40 and 161,911.60

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Solution

The fourth proportional to 245,114.80, 367,283.40 and 161,911.60 is: 242,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,114.80 : 367,283.40 = 161,911.60 : x
  2. Step 2: Convert to fraction form
    245,114.80/367,283.40 = 161,911.60/x
  3. Step 3: Cross multiply
    245,114.80x = 367,283.40 × 161,911.60
  4. Step 4: Simplify right side
    245,114.80x = 59,467,442,947.44
  5. Step 5: Solve for x
    x = 59,467,442,947.44/245,114.80
  6. Step 6: Final answer
    x = 242,610.58

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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.