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Finding the Fourth Proportional to 110,512.80, 165,913.74 and 65,616.12

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Solution

The fourth proportional to 110,512.80, 165,913.74 and 65,616.12 is: 98,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,512.80 : 165,913.74 = 65,616.12 : x
  2. Step 2: Convert to fraction form
    110,512.80/165,913.74 = 65,616.12/x
  3. Step 3: Cross multiply
    110,512.80x = 165,913.74 × 65,616.12
  4. Step 4: Simplify right side
    110,512.80x = 10,886,615,873.49
  5. Step 5: Solve for x
    x = 10,886,615,873.49/110,512.80
  6. Step 6: Final answer
    x = 98,510.00

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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.