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Finding the Fourth Proportional to 167,304.49, 230,880.38 and 90,823.55

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Solution

The fourth proportional to 167,304.49, 230,880.38 and 90,823.55 is: 125,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,304.49 : 230,880.38 = 90,823.55 : x
  2. Step 2: Convert to fraction form
    167,304.49/230,880.38 = 90,823.55/x
  3. Step 3: Cross multiply
    167,304.49x = 230,880.38 × 90,823.55
  4. Step 4: Simplify right side
    167,304.49x = 20,969,374,128.43
  5. Step 5: Solve for x
    x = 20,969,374,128.43/167,304.49
  6. Step 6: Final answer
    x = 125,336.59

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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.