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Finding the Fourth Proportional to 100,079.15, 150,095.12 and 36,864.94

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Solution

The fourth proportional to 100,079.15, 150,095.12 and 36,864.94 is: 55,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,079.15 : 150,095.12 = 36,864.94 : x
  2. Step 2: Convert to fraction form
    100,079.15/150,095.12 = 36,864.94/x
  3. Step 3: Cross multiply
    100,079.15x = 150,095.12 × 36,864.94
  4. Step 4: Simplify right side
    100,079.15x = 5,533,247,310.02
  5. Step 5: Solve for x
    x = 5,533,247,310.02/100,079.15
  6. Step 6: Final answer
    x = 55,288.71

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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.