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Finding the Fourth Proportional to 329,099.21, 493,667.96 and 92,460.34

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Solution

The fourth proportional to 329,099.21, 493,667.96 and 92,460.34 is: 138,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,099.21 : 493,667.96 = 92,460.34 : x
  2. Step 2: Convert to fraction form
    329,099.21/493,667.96 = 92,460.34/x
  3. Step 3: Cross multiply
    329,099.21x = 493,667.96 × 92,460.34
  4. Step 4: Simplify right side
    329,099.21x = 45,644,707,428.71
  5. Step 5: Solve for x
    x = 45,644,707,428.71/329,099.21
  6. Step 6: Final answer
    x = 138,695.89

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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.