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Finding the Fourth Proportional to 127,099.26, 190,648.88 and 43,993.26

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Solution

The fourth proportional to 127,099.26, 190,648.88 and 43,993.26 is: 65,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,099.26 : 190,648.88 = 43,993.26 : x
  2. Step 2: Convert to fraction form
    127,099.26/190,648.88 = 43,993.26/x
  3. Step 3: Cross multiply
    127,099.26x = 190,648.88 × 43,993.26
  4. Step 4: Simplify right side
    127,099.26x = 8,387,265,746.55
  5. Step 5: Solve for x
    x = 8,387,265,746.55/127,099.26
  6. Step 6: Final answer
    x = 65,989.89

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Similar ratio
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1.5x scale

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.