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Finding the Fourth Proportional to 227,575.61, 313,876.87 and 145,911.66

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Solution

The fourth proportional to 227,575.61, 313,876.87 and 145,911.66 is: 201,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,575.61 : 313,876.87 = 145,911.66 : x
  2. Step 2: Convert to fraction form
    227,575.61/313,876.87 = 145,911.66/x
  3. Step 3: Cross multiply
    227,575.61x = 313,876.87 × 145,911.66
  4. Step 4: Simplify right side
    227,575.61x = 45,798,295,137.30
  5. Step 5: Solve for x
    x = 45,798,295,137.30/227,575.61
  6. Step 6: Final answer
    x = 201,244.30

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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.