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Finding the Fourth Proportional to 167,329.08, 230,915.84 and 90,848.88

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Solution

The fourth proportional to 167,329.08, 230,915.84 and 90,848.88 is: 125,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,329.08 : 230,915.84 = 90,848.88 : x
  2. Step 2: Convert to fraction form
    167,329.08/230,915.84 = 90,848.88/x
  3. Step 3: Cross multiply
    167,329.08x = 230,915.84 × 90,848.88
  4. Step 4: Simplify right side
    167,329.08x = 20,978,444,984.01
  5. Step 5: Solve for x
    x = 20,978,444,984.01/167,329.08
  6. Step 6: Final answer
    x = 125,372.38

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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.