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Finding the Fourth Proportional to 240,860.81, 361,622.91 and 122,614.58

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Solution

The fourth proportional to 240,860.81, 361,622.91 and 122,614.58 is: 184,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,860.81 : 361,622.91 = 122,614.58 : x
  2. Step 2: Convert to fraction form
    240,860.81/361,622.91 = 122,614.58/x
  3. Step 3: Cross multiply
    240,860.81x = 361,622.91 × 122,614.58
  4. Step 4: Simplify right side
    240,860.81x = 44,340,241,228.03
  5. Step 5: Solve for x
    x = 44,340,241,228.03/240,860.81
  6. Step 6: Final answer
    x = 184,090.73

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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.