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Finding the Fourth Proportional to 192,446.94, 288,596.61 and 66,063.63

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Solution

The fourth proportional to 192,446.94, 288,596.61 and 66,063.63 is: 99,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,446.94 : 288,596.61 = 66,063.63 : x
  2. Step 2: Convert to fraction form
    192,446.94/288,596.61 = 66,063.63/x
  3. Step 3: Cross multiply
    192,446.94x = 288,596.61 × 66,063.63
  4. Step 4: Simplify right side
    192,446.94x = 19,065,739,662.29
  5. Step 5: Solve for x
    x = 19,065,739,662.29/192,446.94
  6. Step 6: Final answer
    x = 99,070.11

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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.