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Finding the Fourth Proportional to 45,920.93, 68,815.68 and 26,158.65

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Solution

The fourth proportional to 45,920.93, 68,815.68 and 26,158.65 is: 39,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.93 : 68,815.68 = 26,158.65 : x
  2. Step 2: Convert to fraction form
    45,920.93/68,815.68 = 26,158.65/x
  3. Step 3: Cross multiply
    45,920.93x = 68,815.68 × 26,158.65
  4. Step 4: Simplify right side
    45,920.93x = 1,800,125,156.84
  5. Step 5: Solve for x
    x = 1,800,125,156.84/45,920.93
  6. Step 6: Final answer
    x = 39,200.54

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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.