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Finding the Fourth Proportional to 110,512.30, 165,912.99 and 65,615.62

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Solution

The fourth proportional to 110,512.30, 165,912.99 and 65,615.62 is: 98,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,512.30 : 165,912.99 = 65,615.62 : x
  2. Step 2: Convert to fraction form
    110,512.30/165,912.99 = 65,615.62/x
  3. Step 3: Cross multiply
    110,512.30x = 165,912.99 × 65,615.62
  4. Step 4: Simplify right side
    110,512.30x = 10,886,483,704.90
  5. Step 5: Solve for x
    x = 10,886,483,704.90/110,512.30
  6. Step 6: Final answer
    x = 98,509.25

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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.