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Finding the Fourth Proportional to 177,326.80, 265,990.20 and 162,811.60

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Solution

The fourth proportional to 177,326.80, 265,990.20 and 162,811.60 is: 244,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,326.80 : 265,990.20 = 162,811.60 : x
  2. Step 2: Convert to fraction form
    177,326.80/265,990.20 = 162,811.60/x
  3. Step 3: Cross multiply
    177,326.80x = 265,990.20 × 162,811.60
  4. Step 4: Simplify right side
    177,326.80x = 43,306,290,046.32
  5. Step 5: Solve for x
    x = 43,306,290,046.32/177,326.80
  6. Step 6: Final answer
    x = 244,217.40

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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.