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Finding the Fourth Proportional to 241,842, 362,771.12 and 108,722.64

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Solution

The fourth proportional to 241,842, 362,771.12 and 108,722.64 is: 163,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,842 : 362,771.12 = 108,722.64 : x
  2. Step 2: Convert to fraction form
    241,842/362,771.12 = 108,722.64/x
  3. Step 3: Cross multiply
    241,842x = 362,771.12 × 108,722.64
  4. Step 4: Simplify right side
    241,842x = 39,441,433,882.16
  5. Step 5: Solve for x
    x = 39,441,433,882.16/241,842
  6. Step 6: Final answer
    x = 163,087.61

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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.