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Finding the Fourth Proportional to 183,615.96, 253,325.04 and 119,990.64

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Solution

The fourth proportional to 183,615.96, 253,325.04 and 119,990.64 is: 165,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,615.96 : 253,325.04 = 119,990.64 : x
  2. Step 2: Convert to fraction form
    183,615.96/253,325.04 = 119,990.64/x
  3. Step 3: Cross multiply
    183,615.96x = 253,325.04 × 119,990.64
  4. Step 4: Simplify right side
    183,615.96x = 30,396,633,677.63
  5. Step 5: Solve for x
    x = 30,396,633,677.63/183,615.96
  6. Step 6: Final answer
    x = 165,544.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.