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Finding the Fourth Proportional to 127,062.44, 190,469.73 and 60,484.70

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Solution

The fourth proportional to 127,062.44, 190,469.73 and 60,484.70 is: 90,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,062.44 : 190,469.73 = 60,484.70 : x
  2. Step 2: Convert to fraction form
    127,062.44/190,469.73 = 60,484.70/x
  3. Step 3: Cross multiply
    127,062.44x = 190,469.73 × 60,484.70
  4. Step 4: Simplify right side
    127,062.44x = 11,520,503,752.60
  5. Step 5: Solve for x
    x = 11,520,503,752.60/127,062.44
  6. Step 6: Final answer
    x = 90,668.05

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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.