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Finding the Fourth Proportional to 285,592.69, 428,392.68 and 108,052.03

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Solution

The fourth proportional to 285,592.69, 428,392.68 and 108,052.03 is: 162,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,592.69 : 428,392.68 = 108,052.03 : x
  2. Step 2: Convert to fraction form
    285,592.69/428,392.68 = 108,052.03/x
  3. Step 3: Cross multiply
    285,592.69x = 428,392.68 × 108,052.03
  4. Step 4: Simplify right side
    285,592.69x = 46,288,698,711.14
  5. Step 5: Solve for x
    x = 46,288,698,711.14/285,592.69
  6. Step 6: Final answer
    x = 162,079.42

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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.