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Finding the Fourth Proportional to 167,346.59, 230,940.94 and 90,865.64

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Solution

The fourth proportional to 167,346.59, 230,940.94 and 90,865.64 is: 125,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,346.59 : 230,940.94 = 90,865.64 : x
  2. Step 2: Convert to fraction form
    167,346.59/230,940.94 = 90,865.64/x
  3. Step 3: Cross multiply
    167,346.59x = 230,940.94 × 90,865.64
  4. Step 4: Simplify right side
    167,346.59x = 20,984,596,315.30
  5. Step 5: Solve for x
    x = 20,984,596,315.30/167,346.59
  6. Step 6: Final answer
    x = 125,396.02

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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.