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Finding the Fourth Proportional to 224,485.90, 309,797.76 and 127,687.27

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Solution

The fourth proportional to 224,485.90, 309,797.76 and 127,687.27 is: 176,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,485.90 : 309,797.76 = 127,687.27 : x
  2. Step 2: Convert to fraction form
    224,485.90/309,797.76 = 127,687.27/x
  3. Step 3: Cross multiply
    224,485.90x = 309,797.76 × 127,687.27
  4. Step 4: Simplify right side
    224,485.90x = 39,557,230,226.52
  5. Step 5: Solve for x
    x = 39,557,230,226.52/224,485.90
  6. Step 6: Final answer
    x = 176,212.54

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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.