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Finding the Fourth Proportional to 222,136.60, 306,229.66 and 158,363.68

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Solution

The fourth proportional to 222,136.60, 306,229.66 and 158,363.68 is: 218,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,136.60 : 306,229.66 = 158,363.68 : x
  2. Step 2: Convert to fraction form
    222,136.60/306,229.66 = 158,363.68/x
  3. Step 3: Cross multiply
    222,136.60x = 306,229.66 × 158,363.68
  4. Step 4: Simplify right side
    222,136.60x = 48,495,655,882.75
  5. Step 5: Solve for x
    x = 48,495,655,882.75/222,136.60
  6. Step 6: Final answer
    x = 218,314.57

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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.