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Finding the Fourth Proportional to 227,885.55, 314,489.84 and 143,049.39

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Solution

The fourth proportional to 227,885.55, 314,489.84 and 143,049.39 is: 197,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,885.55 : 314,489.84 = 143,049.39 : x
  2. Step 2: Convert to fraction form
    227,885.55/314,489.84 = 143,049.39/x
  3. Step 3: Cross multiply
    227,885.55x = 314,489.84 × 143,049.39
  4. Step 4: Simplify right side
    227,885.55x = 44,987,579,057.95
  5. Step 5: Solve for x
    x = 44,987,579,057.95/227,885.55
  6. Step 6: Final answer
    x = 197,413.04

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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.