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Finding the Fourth Proportional to 108,099.61, 162,249.09 and 54,828.98

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Solution

The fourth proportional to 108,099.61, 162,249.09 and 54,828.98 is: 82,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,099.61 : 162,249.09 = 54,828.98 : x
  2. Step 2: Convert to fraction form
    108,099.61/162,249.09 = 54,828.98/x
  3. Step 3: Cross multiply
    108,099.61x = 162,249.09 × 54,828.98
  4. Step 4: Simplify right side
    108,099.61x = 8,895,951,299.38
  5. Step 5: Solve for x
    x = 8,895,951,299.38/108,099.61
  6. Step 6: Final answer
    x = 82,294.02

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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.