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Finding the Fourth Proportional to 104,218.54, 143,824.24 and 63,954.54

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Solution

The fourth proportional to 104,218.54, 143,824.24 and 63,954.54 is: 88,258.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.54 : 143,824.24 = 63,954.54 : x
  2. Step 2: Convert to fraction form
    104,218.54/143,824.24 = 63,954.54/x
  3. Step 3: Cross multiply
    104,218.54x = 143,824.24 × 63,954.54
  4. Step 4: Simplify right side
    104,218.54x = 9,198,213,110.05
  5. Step 5: Solve for x
    x = 9,198,213,110.05/104,218.54
  6. Step 6: Final answer
    x = 88,258.89

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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.