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Finding the Fourth Proportional to 177,354.20, 266,031.30 and 166,856.60

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Solution

The fourth proportional to 177,354.20, 266,031.30 and 166,856.60 is: 250,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,354.20 : 266,031.30 = 166,856.60 : x
  2. Step 2: Convert to fraction form
    177,354.20/266,031.30 = 166,856.60/x
  3. Step 3: Cross multiply
    177,354.20x = 266,031.30 × 166,856.60
  4. Step 4: Simplify right side
    177,354.20x = 44,389,078,211.58
  5. Step 5: Solve for x
    x = 44,389,078,211.58/177,354.20
  6. Step 6: Final answer
    x = 250,284.90

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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.