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Finding the Fourth Proportional to 67,112.16, 100,599.12 and 35,939.04

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Solution

The fourth proportional to 67,112.16, 100,599.12 and 35,939.04 is: 53,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,112.16 : 100,599.12 = 35,939.04 : x
  2. Step 2: Convert to fraction form
    67,112.16/100,599.12 = 35,939.04/x
  3. Step 3: Cross multiply
    67,112.16x = 100,599.12 × 35,939.04
  4. Step 4: Simplify right side
    67,112.16x = 3,615,435,797.64
  5. Step 5: Solve for x
    x = 3,615,435,797.64/67,112.16
  6. Step 6: Final answer
    x = 53,871.55

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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.