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Finding the Fourth Proportional to 192,499.04, 288,772.32 and 66,164.96

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Solution

The fourth proportional to 192,499.04, 288,772.32 and 66,164.96 is: 99,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,499.04 : 288,772.32 = 66,164.96 : x
  2. Step 2: Convert to fraction form
    192,499.04/288,772.32 = 66,164.96/x
  3. Step 3: Cross multiply
    192,499.04x = 288,772.32 × 66,164.96
  4. Step 4: Simplify right side
    192,499.04x = 19,106,609,001.91
  5. Step 5: Solve for x
    x = 19,106,609,001.91/192,499.04
  6. Step 6: Final answer
    x = 99,255.61

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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.