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Finding the Fourth Proportional to 241,424.20, 361,877.10 and 91,606.60

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Solution

The fourth proportional to 241,424.20, 361,877.10 and 91,606.60 is: 137,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,424.20 : 361,877.10 = 91,606.60 : x
  2. Step 2: Convert to fraction form
    241,424.20/361,877.10 = 91,606.60/x
  3. Step 3: Cross multiply
    241,424.20x = 361,877.10 × 91,606.60
  4. Step 4: Simplify right side
    241,424.20x = 33,150,330,748.86
  5. Step 5: Solve for x
    x = 33,150,330,748.86/241,424.20
  6. Step 6: Final answer
    x = 137,311.55

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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.