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Finding the Fourth Proportional to 194,855.16, 292,249.80 and 54,581.52

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Solution

The fourth proportional to 194,855.16, 292,249.80 and 54,581.52 is: 81,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,855.16 : 292,249.80 = 54,581.52 : x
  2. Step 2: Convert to fraction form
    194,855.16/292,249.80 = 54,581.52/x
  3. Step 3: Cross multiply
    194,855.16x = 292,249.80 × 54,581.52
  4. Step 4: Simplify right side
    194,855.16x = 15,951,438,303.70
  5. Step 5: Solve for x
    x = 15,951,438,303.70/194,855.16
  6. Step 6: Final answer
    x = 81,863.05

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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.