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Finding the Fourth Proportional to 292,609.77, 439,163.82 and 115,241.37

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Solution

The fourth proportional to 292,609.77, 439,163.82 and 115,241.37 is: 172,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,609.77 : 439,163.82 = 115,241.37 : x
  2. Step 2: Convert to fraction form
    292,609.77/439,163.82 = 115,241.37/x
  3. Step 3: Cross multiply
    292,609.77x = 439,163.82 × 115,241.37
  4. Step 4: Simplify right side
    292,609.77x = 50,609,840,271.23
  5. Step 5: Solve for x
    x = 50,609,840,271.23/292,609.77
  6. Step 6: Final answer
    x = 172,960.19

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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.