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Finding the Fourth Proportional to 110,954.44, 153,100 and 63,201.72

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Solution

The fourth proportional to 110,954.44, 153,100 and 63,201.72 is: 87,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,954.44 : 153,100 = 63,201.72 : x
  2. Step 2: Convert to fraction form
    110,954.44/153,100 = 63,201.72/x
  3. Step 3: Cross multiply
    110,954.44x = 153,100 × 63,201.72
  4. Step 4: Simplify right side
    110,954.44x = 9,676,183,332
  5. Step 5: Solve for x
    x = 9,676,183,332/110,954.44
  6. Step 6: Final answer
    x = 87,208.62

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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.