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Finding the Fourth Proportional to 227,312.52, 341,101.71 and 126,195.72

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Solution

The fourth proportional to 227,312.52, 341,101.71 and 126,195.72 is: 189,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,312.52 : 341,101.71 = 126,195.72 : x
  2. Step 2: Convert to fraction form
    227,312.52/341,101.71 = 126,195.72/x
  3. Step 3: Cross multiply
    227,312.52x = 341,101.71 × 126,195.72
  4. Step 4: Simplify right side
    227,312.52x = 43,045,575,886.68
  5. Step 5: Solve for x
    x = 43,045,575,886.68/227,312.52
  6. Step 6: Final answer
    x = 189,367.38

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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.