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Finding the Fourth Proportional to 293,090.82, 439,340.85 and 115,529.10

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Solution

The fourth proportional to 293,090.82, 439,340.85 and 115,529.10 is: 173,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,090.82 : 439,340.85 = 115,529.10 : x
  2. Step 2: Convert to fraction form
    293,090.82/439,340.85 = 115,529.10/x
  3. Step 3: Cross multiply
    293,090.82x = 439,340.85 × 115,529.10
  4. Step 4: Simplify right side
    293,090.82x = 50,756,652,993.74
  5. Step 5: Solve for x
    x = 50,756,652,993.74/293,090.82
  6. Step 6: Final answer
    x = 173,177.22

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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.