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Finding the Fourth Proportional to 177,399.20, 266,098.80 and 166,901.60

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Solution

The fourth proportional to 177,399.20, 266,098.80 and 166,901.60 is: 250,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,399.20 : 266,098.80 = 166,901.60 : x
  2. Step 2: Convert to fraction form
    177,399.20/266,098.80 = 166,901.60/x
  3. Step 3: Cross multiply
    177,399.20x = 266,098.80 × 166,901.60
  4. Step 4: Simplify right side
    177,399.20x = 44,412,315,478.08
  5. Step 5: Solve for x
    x = 44,412,315,478.08/177,399.20
  6. Step 6: Final answer
    x = 250,352.40

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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.