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Finding the Fourth Proportional to 192,778.89, 289,181.85 and 59,641.62

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Solution

The fourth proportional to 192,778.89, 289,181.85 and 59,641.62 is: 89,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,778.89 : 289,181.85 = 59,641.62 : x
  2. Step 2: Convert to fraction form
    192,778.89/289,181.85 = 59,641.62/x
  3. Step 3: Cross multiply
    192,778.89x = 289,181.85 × 59,641.62
  4. Step 4: Simplify right side
    192,778.89x = 17,247,272,700.51
  5. Step 5: Solve for x
    x = 17,247,272,700.51/192,778.89
  6. Step 6: Final answer
    x = 89,466.61

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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.