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Finding the Fourth Proportional to 191,609.63, 264,408.63 and 115,083.26

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Solution

The fourth proportional to 191,609.63, 264,408.63 and 115,083.26 is: 158,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609.63 : 264,408.63 = 115,083.26 : x
  2. Step 2: Convert to fraction form
    191,609.63/264,408.63 = 115,083.26/x
  3. Step 3: Cross multiply
    191,609.63x = 264,408.63 × 115,083.26
  4. Step 4: Simplify right side
    191,609.63x = 30,429,005,790.49
  5. Step 5: Solve for x
    x = 30,429,005,790.49/191,609.63
  6. Step 6: Final answer
    x = 158,807.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.