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Finding the Fourth Proportional to 285,594.41, 428,396.17 and 108,053.75

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Solution

The fourth proportional to 285,594.41, 428,396.17 and 108,053.75 is: 162,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,594.41 : 428,396.17 = 108,053.75 : x
  2. Step 2: Convert to fraction form
    285,594.41/428,396.17 = 108,053.75/x
  3. Step 3: Cross multiply
    285,594.41x = 428,396.17 × 108,053.75
  4. Step 4: Simplify right side
    285,594.41x = 46,289,813,454.99
  5. Step 5: Solve for x
    x = 46,289,813,454.99/285,594.41
  6. Step 6: Final answer
    x = 162,082.35

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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.