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Finding the Fourth Proportional to 367,221.62, 550,835.51 and 100,996.74

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Solution

The fourth proportional to 367,221.62, 550,835.51 and 100,996.74 is: 151,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,221.62 : 550,835.51 = 100,996.74 : x
  2. Step 2: Convert to fraction form
    367,221.62/550,835.51 = 100,996.74/x
  3. Step 3: Cross multiply
    367,221.62x = 550,835.51 × 100,996.74
  4. Step 4: Simplify right side
    367,221.62x = 55,632,590,281.25
  5. Step 5: Solve for x
    x = 55,632,590,281.25/367,221.62
  6. Step 6: Final answer
    x = 151,495.95

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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.