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Finding the Fourth Proportional to 216,044.20, 324,066.30 and 181,829.80

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Solution

The fourth proportional to 216,044.20, 324,066.30 and 181,829.80 is: 272,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,044.20 : 324,066.30 = 181,829.80 : x
  2. Step 2: Convert to fraction form
    216,044.20/324,066.30 = 181,829.80/x
  3. Step 3: Cross multiply
    216,044.20x = 324,066.30 × 181,829.80
  4. Step 4: Simplify right side
    216,044.20x = 58,924,910,515.74
  5. Step 5: Solve for x
    x = 58,924,910,515.74/216,044.20
  6. Step 6: Final answer
    x = 272,744.70

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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.