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Finding the Fourth Proportional to 192,888.16, 289,359.62 and 59,778.88

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Solution

The fourth proportional to 192,888.16, 289,359.62 and 59,778.88 is: 89,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,888.16 : 289,359.62 = 59,778.88 : x
  2. Step 2: Convert to fraction form
    192,888.16/289,359.62 = 59,778.88/x
  3. Step 3: Cross multiply
    192,888.16x = 289,359.62 × 59,778.88
  4. Step 4: Simplify right side
    192,888.16x = 17,297,594,000.83
  5. Step 5: Solve for x
    x = 17,297,594,000.83/192,888.16
  6. Step 6: Final answer
    x = 89,676.81

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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.