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Finding the Fourth Proportional to 222,262.46, 306,719.10 and 126,770.76

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Solution

The fourth proportional to 222,262.46, 306,719.10 and 126,770.76 is: 174,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,262.46 : 306,719.10 = 126,770.76 : x
  2. Step 2: Convert to fraction form
    222,262.46/306,719.10 = 126,770.76/x
  3. Step 3: Cross multiply
    222,262.46x = 306,719.10 × 126,770.76
  4. Step 4: Simplify right side
    222,262.46x = 38,883,013,413.52
  5. Step 5: Solve for x
    x = 38,883,013,413.52/222,262.46
  6. Step 6: Final answer
    x = 174,941.88

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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.