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Finding the Fourth Proportional to 146,020.70, 219,014.85 and 40,850.30

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Solution

The fourth proportional to 146,020.70, 219,014.85 and 40,850.30 is: 61,270.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,020.70 : 219,014.85 = 40,850.30 : x
  2. Step 2: Convert to fraction form
    146,020.70/219,014.85 = 40,850.30/x
  3. Step 3: Cross multiply
    146,020.70x = 219,014.85 × 40,850.30
  4. Step 4: Simplify right side
    146,020.70x = 8,946,822,326.96
  5. Step 5: Solve for x
    x = 8,946,822,326.96/146,020.70
  6. Step 6: Final answer
    x = 61,270.92

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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.