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Finding the Fourth Proportional to 177,469.20, 266,203.80 and 163,952.40

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Solution

The fourth proportional to 177,469.20, 266,203.80 and 163,952.40 is: 245,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,469.20 : 266,203.80 = 163,952.40 : x
  2. Step 2: Convert to fraction form
    177,469.20/266,203.80 = 163,952.40/x
  3. Step 3: Cross multiply
    177,469.20x = 266,203.80 × 163,952.40
  4. Step 4: Simplify right side
    177,469.20x = 43,644,751,899.12
  5. Step 5: Solve for x
    x = 43,644,751,899.12/177,469.20
  6. Step 6: Final answer
    x = 245,928.60

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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.