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Finding the Fourth Proportional to 228,651.94, 315,514.15 and 126,652.10

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Solution

The fourth proportional to 228,651.94, 315,514.15 and 126,652.10 is: 174,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,651.94 : 315,514.15 = 126,652.10 : x
  2. Step 2: Convert to fraction form
    228,651.94/315,514.15 = 126,652.10/x
  3. Step 3: Cross multiply
    228,651.94x = 315,514.15 × 126,652.10
  4. Step 4: Simplify right side
    228,651.94x = 39,960,527,466.38
  5. Step 5: Solve for x
    x = 39,960,527,466.38/228,651.94
  6. Step 6: Final answer
    x = 174,765.75

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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.