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Finding the Fourth Proportional to 222,155.50, 333,199.03 and 72,395.42

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Solution

The fourth proportional to 222,155.50, 333,199.03 and 72,395.42 is: 108,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,155.50 : 333,199.03 = 72,395.42 : x
  2. Step 2: Convert to fraction form
    222,155.50/333,199.03 = 72,395.42/x
  3. Step 3: Cross multiply
    222,155.50x = 333,199.03 × 72,395.42
  4. Step 4: Simplify right side
    222,155.50x = 24,122,083,720.44
  5. Step 5: Solve for x
    x = 24,122,083,720.44/222,155.50
  6. Step 6: Final answer
    x = 108,581.98

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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.