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Finding the Fourth Proportional to 123,912.34, 185,868.65 and 33,955.81

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Solution

The fourth proportional to 123,912.34, 185,868.65 and 33,955.81 is: 50,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,912.34 : 185,868.65 = 33,955.81 : x
  2. Step 2: Convert to fraction form
    123,912.34/185,868.65 = 33,955.81/x
  3. Step 3: Cross multiply
    123,912.34x = 185,868.65 × 33,955.81
  4. Step 4: Simplify right side
    123,912.34x = 6,311,320,184.57
  5. Step 5: Solve for x
    x = 6,311,320,184.57/123,912.34
  6. Step 6: Final answer
    x = 50,933.75

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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.