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Finding the Fourth Proportional to 166,278.80, 248,899.80 and 161,094.80

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Solution

The fourth proportional to 166,278.80, 248,899.80 and 161,094.80 is: 241,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,278.80 : 248,899.80 = 161,094.80 : x
  2. Step 2: Convert to fraction form
    166,278.80/248,899.80 = 161,094.80/x
  3. Step 3: Cross multiply
    166,278.80x = 248,899.80 × 161,094.80
  4. Step 4: Simplify right side
    166,278.80x = 40,096,463,501.04
  5. Step 5: Solve for x
    x = 40,096,463,501.04/166,278.80
  6. Step 6: Final answer
    x = 241,139.96

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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.