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Finding the Fourth Proportional to 126,295.70, 189,452.88 and 36,334.76

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Solution

The fourth proportional to 126,295.70, 189,452.88 and 36,334.76 is: 54,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,295.70 : 189,452.88 = 36,334.76 : x
  2. Step 2: Convert to fraction form
    126,295.70/189,452.88 = 36,334.76/x
  3. Step 3: Cross multiply
    126,295.70x = 189,452.88 × 36,334.76
  4. Step 4: Simplify right side
    126,295.70x = 6,883,724,926.11
  5. Step 5: Solve for x
    x = 6,883,724,926.11/126,295.70
  6. Step 6: Final answer
    x = 54,504.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.