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Finding the Fourth Proportional to 144,954.75, 199,969.47 and 102,536.67

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Solution

The fourth proportional to 144,954.75, 199,969.47 and 102,536.67 is: 141,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,954.75 : 199,969.47 = 102,536.67 : x
  2. Step 2: Convert to fraction form
    144,954.75/199,969.47 = 102,536.67/x
  3. Step 3: Cross multiply
    144,954.75x = 199,969.47 × 102,536.67
  4. Step 4: Simplify right side
    144,954.75x = 20,504,203,555.46
  5. Step 5: Solve for x
    x = 20,504,203,555.46/144,954.75
  6. Step 6: Final answer
    x = 141,452.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.