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Finding the Fourth Proportional to 171,484.20, 257,226.30 and 108,498.60

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Solution

The fourth proportional to 171,484.20, 257,226.30 and 108,498.60 is: 162,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,484.20 : 257,226.30 = 108,498.60 : x
  2. Step 2: Convert to fraction form
    171,484.20/257,226.30 = 108,498.60/x
  3. Step 3: Cross multiply
    171,484.20x = 257,226.30 × 108,498.60
  4. Step 4: Simplify right side
    171,484.20x = 27,908,693,433.18
  5. Step 5: Solve for x
    x = 27,908,693,433.18/171,484.20
  6. Step 6: Final answer
    x = 162,747.90

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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.