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Finding the Fourth Proportional to 262,871.94, 394,588.58 and 113,186.34

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Solution

The fourth proportional to 262,871.94, 394,588.58 and 113,186.34 is: 169,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,871.94 : 394,588.58 = 113,186.34 : x
  2. Step 2: Convert to fraction form
    262,871.94/394,588.58 = 113,186.34/x
  3. Step 3: Cross multiply
    262,871.94x = 394,588.58 × 113,186.34
  4. Step 4: Simplify right side
    262,871.94x = 44,662,035,486.02
  5. Step 5: Solve for x
    x = 44,662,035,486.02/262,871.94
  6. Step 6: Final answer
    x = 169,900.36

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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.