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Finding the Fourth Proportional to 150,652.87, 207,900.39 and 82,670.98

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Solution

The fourth proportional to 150,652.87, 207,900.39 and 82,670.98 is: 114,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,652.87 : 207,900.39 = 82,670.98 : x
  2. Step 2: Convert to fraction form
    150,652.87/207,900.39 = 82,670.98/x
  3. Step 3: Cross multiply
    150,652.87x = 207,900.39 × 82,670.98
  4. Step 4: Simplify right side
    150,652.87x = 17,187,328,983.68
  5. Step 5: Solve for x
    x = 17,187,328,983.68/150,652.87
  6. Step 6: Final answer
    x = 114,085.64

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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.