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Finding the Fourth Proportional to 177,347.60, 266,021.40 and 166,979.60

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Solution

The fourth proportional to 177,347.60, 266,021.40 and 166,979.60 is: 250,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,347.60 : 266,021.40 = 166,979.60 : x
  2. Step 2: Convert to fraction form
    177,347.60/266,021.40 = 166,979.60/x
  3. Step 3: Cross multiply
    177,347.60x = 266,021.40 × 166,979.60
  4. Step 4: Simplify right side
    177,347.60x = 44,420,146,963.44
  5. Step 5: Solve for x
    x = 44,420,146,963.44/177,347.60
  6. Step 6: Final answer
    x = 250,469.40

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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.