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Finding the Fourth Proportional to 163,165.87, 244,743.42 and 67,099.76

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Solution

The fourth proportional to 163,165.87, 244,743.42 and 67,099.76 is: 100,647.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,165.87 : 244,743.42 = 67,099.76 : x
  2. Step 2: Convert to fraction form
    163,165.87/244,743.42 = 67,099.76/x
  3. Step 3: Cross multiply
    163,165.87x = 244,743.42 × 67,099.76
  4. Step 4: Simplify right side
    163,165.87x = 16,422,224,689.27
  5. Step 5: Solve for x
    x = 16,422,224,689.27/163,165.87
  6. Step 6: Final answer
    x = 100,647.42

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1.5x scale

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.