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Finding the Fourth Proportional to 189,262.37, 284,080.37 and 100,515.63

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Solution

The fourth proportional to 189,262.37, 284,080.37 and 100,515.63 is: 150,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,262.37 : 284,080.37 = 100,515.63 : x
  2. Step 2: Convert to fraction form
    189,262.37/284,080.37 = 100,515.63/x
  3. Step 3: Cross multiply
    189,262.37x = 284,080.37 × 100,515.63
  4. Step 4: Simplify right side
    189,262.37x = 28,554,517,923.91
  5. Step 5: Solve for x
    x = 28,554,517,923.91/189,262.37
  6. Step 6: Final answer
    x = 150,872.66

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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.