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Finding the Fourth Proportional to 132,465.54, 198,782.55 and 48,217.62

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Solution

The fourth proportional to 132,465.54, 198,782.55 and 48,217.62 is: 72,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.54 : 198,782.55 = 48,217.62 : x
  2. Step 2: Convert to fraction form
    132,465.54/198,782.55 = 48,217.62/x
  3. Step 3: Cross multiply
    132,465.54x = 198,782.55 × 48,217.62
  4. Step 4: Simplify right side
    132,465.54x = 9,584,821,458.53
  5. Step 5: Solve for x
    x = 9,584,821,458.53/132,465.54
  6. Step 6: Final answer
    x = 72,357.09

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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.