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Finding the Fourth Proportional to 150,681.44, 207,943.02 and 82,704.77

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Solution

The fourth proportional to 150,681.44, 207,943.02 and 82,704.77 is: 114,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,681.44 : 207,943.02 = 82,704.77 : x
  2. Step 2: Convert to fraction form
    150,681.44/207,943.02 = 82,704.77/x
  3. Step 3: Cross multiply
    150,681.44x = 207,943.02 × 82,704.77
  4. Step 4: Simplify right side
    150,681.44x = 17,197,879,642.21
  5. Step 5: Solve for x
    x = 17,197,879,642.21/150,681.44
  6. Step 6: Final answer
    x = 114,134.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.