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Finding the Fourth Proportional to 323,779.04, 485,372.72 and 113,302.16

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Solution

The fourth proportional to 323,779.04, 485,372.72 and 113,302.16 is: 169,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,779.04 : 485,372.72 = 113,302.16 : x
  2. Step 2: Convert to fraction form
    323,779.04/485,372.72 = 113,302.16/x
  3. Step 3: Cross multiply
    323,779.04x = 485,372.72 × 113,302.16
  4. Step 4: Simplify right side
    323,779.04x = 54,993,777,581.08
  5. Step 5: Solve for x
    x = 54,993,777,581.08/323,779.04
  6. Step 6: Final answer
    x = 169,849.71

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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.