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Finding the Fourth Proportional to 127,209.69, 190,902.02 and 44,103.69

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Solution

The fourth proportional to 127,209.69, 190,902.02 and 44,103.69 is: 66,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.69 : 190,902.02 = 44,103.69 : x
  2. Step 2: Convert to fraction form
    127,209.69/190,902.02 = 44,103.69/x
  3. Step 3: Cross multiply
    127,209.69x = 190,902.02 × 44,103.69
  4. Step 4: Simplify right side
    127,209.69x = 8,419,483,510.45
  5. Step 5: Solve for x
    x = 8,419,483,510.45/127,209.69
  6. Step 6: Final answer
    x = 66,185.87

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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.