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Finding the Fourth Proportional to 226,702.89, 312,851.79 and 126,100.89

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Solution

The fourth proportional to 226,702.89, 312,851.79 and 126,100.89 is: 174,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,702.89 : 312,851.79 = 126,100.89 : x
  2. Step 2: Convert to fraction form
    226,702.89/312,851.79 = 126,100.89/x
  3. Step 3: Cross multiply
    226,702.89x = 312,851.79 × 126,100.89
  4. Step 4: Simplify right side
    226,702.89x = 39,450,889,157.09
  5. Step 5: Solve for x
    x = 39,450,889,157.09/226,702.89
  6. Step 6: Final answer
    x = 174,020.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.