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Finding the Fourth Proportional to 167,378.28, 230,915.25 and 106,933.25

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Solution

The fourth proportional to 167,378.28, 230,915.25 and 106,933.25 is: 147,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,378.28 : 230,915.25 = 106,933.25 : x
  2. Step 2: Convert to fraction form
    167,378.28/230,915.25 = 106,933.25/x
  3. Step 3: Cross multiply
    167,378.28x = 230,915.25 × 106,933.25
  4. Step 4: Simplify right side
    167,378.28x = 24,692,517,002.49
  5. Step 5: Solve for x
    x = 24,692,517,002.49/167,378.28
  6. Step 6: Final answer
    x = 147,525.22

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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.