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Finding the Fourth Proportional to 192,063.02, 288,094.54 and 51,821.65

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Solution

The fourth proportional to 192,063.02, 288,094.54 and 51,821.65 is: 77,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,063.02 : 288,094.54 = 51,821.65 : x
  2. Step 2: Convert to fraction form
    192,063.02/288,094.54 = 51,821.65/x
  3. Step 3: Cross multiply
    192,063.02x = 288,094.54 × 51,821.65
  4. Step 4: Simplify right side
    192,063.02x = 14,929,533,717.63
  5. Step 5: Solve for x
    x = 14,929,533,717.63/192,063.02
  6. Step 6: Final answer
    x = 77,732.47

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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.