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Finding the Fourth Proportional to 161,245.60, 222,502.80 and 93,257.44

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Solution

The fourth proportional to 161,245.60, 222,502.80 and 93,257.44 is: 128,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,245.60 : 222,502.80 = 93,257.44 : x
  2. Step 2: Convert to fraction form
    161,245.60/222,502.80 = 93,257.44/x
  3. Step 3: Cross multiply
    161,245.60x = 222,502.80 × 93,257.44
  4. Step 4: Simplify right side
    161,245.60x = 20,750,041,520.83
  5. Step 5: Solve for x
    x = 20,750,041,520.83/161,245.60
  6. Step 6: Final answer
    x = 128,685.94

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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.