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Finding the Fourth Proportional to 227,639.80, 341,766.90 and 144,695.80

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Solution

The fourth proportional to 227,639.80, 341,766.90 and 144,695.80 is: 217,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,639.80 : 341,766.90 = 144,695.80 : x
  2. Step 2: Convert to fraction form
    227,639.80/341,766.90 = 144,695.80/x
  3. Step 3: Cross multiply
    227,639.80x = 341,766.90 × 144,695.80
  4. Step 4: Simplify right side
    227,639.80x = 49,452,235,009.02
  5. Step 5: Solve for x
    x = 49,452,235,009.02/227,639.80
  6. Step 6: Final answer
    x = 217,238.97

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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.