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Finding the Fourth Proportional to 228,093.20, 314,741.13 and 126,104.88

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Solution

The fourth proportional to 228,093.20, 314,741.13 and 126,104.88 is: 174,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,093.20 : 314,741.13 = 126,104.88 : x
  2. Step 2: Convert to fraction form
    228,093.20/314,741.13 = 126,104.88/x
  3. Step 3: Cross multiply
    228,093.20x = 314,741.13 × 126,104.88
  4. Step 4: Simplify right side
    228,093.20x = 39,690,393,137.10
  5. Step 5: Solve for x
    x = 39,690,393,137.10/228,093.20
  6. Step 6: Final answer
    x = 174,009.54

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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.