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Finding the Fourth Proportional to 192,063.69, 288,060.71 and 51,789.51

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Solution

The fourth proportional to 192,063.69, 288,060.71 and 51,789.51 is: 77,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,063.69 : 288,060.71 = 51,789.51 : x
  2. Step 2: Convert to fraction form
    192,063.69/288,060.71 = 51,789.51/x
  3. Step 3: Cross multiply
    192,063.69x = 288,060.71 × 51,789.51
  4. Step 4: Simplify right side
    192,063.69x = 14,918,522,762.20
  5. Step 5: Solve for x
    x = 14,918,522,762.20/192,063.69
  6. Step 6: Final answer
    x = 77,674.87

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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.