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Finding the Fourth Proportional to 161,532.50, 222,855.05 and 161,283.39

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Solution

The fourth proportional to 161,532.50, 222,855.05 and 161,283.39 is: 222,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.50 : 222,855.05 = 161,283.39 : x
  2. Step 2: Convert to fraction form
    161,532.50/222,855.05 = 161,283.39/x
  3. Step 3: Cross multiply
    161,532.50x = 222,855.05 × 161,283.39
  4. Step 4: Simplify right side
    161,532.50x = 35,942,817,136.20
  5. Step 5: Solve for x
    x = 35,942,817,136.20/161,532.50
  6. Step 6: Final answer
    x = 222,511.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.