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Finding the Fourth Proportional to 227,706.40, 341,766.15 and 115,464.70

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Solution

The fourth proportional to 227,706.40, 341,766.15 and 115,464.70 is: 173,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,706.40 : 341,766.15 = 115,464.70 : x
  2. Step 2: Convert to fraction form
    227,706.40/341,766.15 = 115,464.70/x
  3. Step 3: Cross multiply
    227,706.40x = 341,766.15 × 115,464.70
  4. Step 4: Simplify right side
    227,706.40x = 39,461,925,979.91
  5. Step 5: Solve for x
    x = 39,461,925,979.91/227,706.40
  6. Step 6: Final answer
    x = 173,301.79

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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.