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Finding the Fourth Proportional to 183,668.40, 275,502.60 and 181,918.80

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Solution

The fourth proportional to 183,668.40, 275,502.60 and 181,918.80 is: 272,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,668.40 : 275,502.60 = 181,918.80 : x
  2. Step 2: Convert to fraction form
    183,668.40/275,502.60 = 181,918.80/x
  3. Step 3: Cross multiply
    183,668.40x = 275,502.60 × 181,918.80
  4. Step 4: Simplify right side
    183,668.40x = 50,119,102,388.88
  5. Step 5: Solve for x
    x = 50,119,102,388.88/183,668.40
  6. Step 6: Final answer
    x = 272,878.20

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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.