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Finding the Fourth Proportional to 194,060.81, 291,091.22 and 53,819.44

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Solution

The fourth proportional to 194,060.81, 291,091.22 and 53,819.44 is: 80,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,060.81 : 291,091.22 = 53,819.44 : x
  2. Step 2: Convert to fraction form
    194,060.81/291,091.22 = 53,819.44/x
  3. Step 3: Cross multiply
    194,060.81x = 291,091.22 × 53,819.44
  4. Step 4: Simplify right side
    194,060.81x = 15,666,365,654.31
  5. Step 5: Solve for x
    x = 15,666,365,654.31/194,060.81
  6. Step 6: Final answer
    x = 80,729.16

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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.