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Finding the Fourth Proportional to 227,577.62, 313,879.62 and 145,913.66

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Solution

The fourth proportional to 227,577.62, 313,879.62 and 145,913.66 is: 201,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,577.62 : 313,879.62 = 145,913.66 : x
  2. Step 2: Convert to fraction form
    227,577.62/313,879.62 = 145,913.66/x
  3. Step 3: Cross multiply
    227,577.62x = 313,879.62 × 145,913.66
  4. Step 4: Simplify right side
    227,577.62x = 45,799,324,153.61
  5. Step 5: Solve for x
    x = 45,799,324,153.61/227,577.62
  6. Step 6: Final answer
    x = 201,247.05

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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.