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Finding the Fourth Proportional to 228,085.27, 314,745.01 and 126,104.79

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Solution

The fourth proportional to 228,085.27, 314,745.01 and 126,104.79 is: 174,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,085.27 : 314,745.01 = 126,104.79 : x
  2. Step 2: Convert to fraction form
    228,085.27/314,745.01 = 126,104.79/x
  3. Step 3: Cross multiply
    228,085.27x = 314,745.01 × 126,104.79
  4. Step 4: Simplify right side
    228,085.27x = 39,690,853,389.60
  5. Step 5: Solve for x
    x = 39,690,853,389.60/228,085.27
  6. Step 6: Final answer
    x = 174,017.61

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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.