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Finding the Fourth Proportional to 213,144.93, 294,010.90 and 127,046.54

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Solution

The fourth proportional to 213,144.93, 294,010.90 and 127,046.54 is: 175,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,144.93 : 294,010.90 = 127,046.54 : x
  2. Step 2: Convert to fraction form
    213,144.93/294,010.90 = 127,046.54/x
  3. Step 3: Cross multiply
    213,144.93x = 294,010.90 × 127,046.54
  4. Step 4: Simplify right side
    213,144.93x = 37,353,067,984.70
  5. Step 5: Solve for x
    x = 37,353,067,984.70/213,144.93
  6. Step 6: Final answer
    x = 175,247.27

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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.