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Finding the Fourth Proportional to 132,626.94, 198,903.36 and 52,628.92

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Solution

The fourth proportional to 132,626.94, 198,903.36 and 52,628.92 is: 78,928.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.94 : 198,903.36 = 52,628.92 : x
  2. Step 2: Convert to fraction form
    132,626.94/198,903.36 = 52,628.92/x
  3. Step 3: Cross multiply
    132,626.94x = 198,903.36 × 52,628.92
  4. Step 4: Simplify right side
    132,626.94x = 10,468,069,021.17
  5. Step 5: Solve for x
    x = 10,468,069,021.17/132,626.94
  6. Step 6: Final answer
    x = 78,928.68

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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.