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Finding the Fourth Proportional to 165,797.30, 248,630.30 and 72,237.62

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Solution

The fourth proportional to 165,797.30, 248,630.30 and 72,237.62 is: 108,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.30 : 248,630.30 = 72,237.62 : x
  2. Step 2: Convert to fraction form
    165,797.30/248,630.30 = 72,237.62/x
  3. Step 3: Cross multiply
    165,797.30x = 248,630.30 × 72,237.62
  4. Step 4: Simplify right side
    165,797.30x = 17,960,461,131.89
  5. Step 5: Solve for x
    x = 17,960,461,131.89/165,797.30
  6. Step 6: Final answer
    x = 108,327.83

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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.