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Finding the Fourth Proportional to 243,668.40, 365,457.88 and 110,516.56

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Solution

The fourth proportional to 243,668.40, 365,457.88 and 110,516.56 is: 165,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,668.40 : 365,457.88 = 110,516.56 : x
  2. Step 2: Convert to fraction form
    243,668.40/365,457.88 = 110,516.56/x
  3. Step 3: Cross multiply
    243,668.40x = 365,457.88 × 110,516.56
  4. Step 4: Simplify right side
    243,668.40x = 40,389,147,722.49
  5. Step 5: Solve for x
    x = 40,389,147,722.49/243,668.40
  6. Step 6: Final answer
    x = 165,754.56

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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.