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Finding the Fourth Proportional to 233,131.70, 349,611.87 and 83,331.56

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Solution

The fourth proportional to 233,131.70, 349,611.87 and 83,331.56 is: 124,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,131.70 : 349,611.87 = 83,331.56 : x
  2. Step 2: Convert to fraction form
    233,131.70/349,611.87 = 83,331.56/x
  3. Step 3: Cross multiply
    233,131.70x = 349,611.87 × 83,331.56
  4. Step 4: Simplify right side
    233,131.70x = 29,133,702,521.62
  5. Step 5: Solve for x
    x = 29,133,702,521.62/233,131.70
  6. Step 6: Final answer
    x = 124,966.71

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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.