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Finding the Fourth Proportional to 245,680.20, 368,520.30 and 166,948.20

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Solution

The fourth proportional to 245,680.20, 368,520.30 and 166,948.20 is: 250,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,680.20 : 368,520.30 = 166,948.20 : x
  2. Step 2: Convert to fraction form
    245,680.20/368,520.30 = 166,948.20/x
  3. Step 3: Cross multiply
    245,680.20x = 368,520.30 × 166,948.20
  4. Step 4: Simplify right side
    245,680.20x = 61,523,800,748.46
  5. Step 5: Solve for x
    x = 61,523,800,748.46/245,680.20
  6. Step 6: Final answer
    x = 250,422.30

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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.