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Finding the Fourth Proportional to 227,586.60, 341,379.90 and 144,847.40

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Solution

The fourth proportional to 227,586.60, 341,379.90 and 144,847.40 is: 217,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,586.60 : 341,379.90 = 144,847.40 : x
  2. Step 2: Convert to fraction form
    227,586.60/341,379.90 = 144,847.40/x
  3. Step 3: Cross multiply
    227,586.60x = 341,379.90 × 144,847.40
  4. Step 4: Simplify right side
    227,586.60x = 49,447,990,927.26
  5. Step 5: Solve for x
    x = 49,447,990,927.26/227,586.60
  6. Step 6: Final answer
    x = 217,271.10

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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.