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Finding the Fourth Proportional to 132,578.94, 198,866.61 and 48,357.66

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Solution

The fourth proportional to 132,578.94, 198,866.61 and 48,357.66 is: 72,535.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,578.94 : 198,866.61 = 48,357.66 : x
  2. Step 2: Convert to fraction form
    132,578.94/198,866.61 = 48,357.66/x
  3. Step 3: Cross multiply
    132,578.94x = 198,866.61 × 48,357.66
  4. Step 4: Simplify right side
    132,578.94x = 9,616,723,911.73
  5. Step 5: Solve for x
    x = 9,616,723,911.73/132,578.94
  6. Step 6: Final answer
    x = 72,535.83

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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.