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Finding the Fourth Proportional to 183,615.60, 275,423.40 and 99,343.20

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Solution

The fourth proportional to 183,615.60, 275,423.40 and 99,343.20 is: 149,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,615.60 : 275,423.40 = 99,343.20 : x
  2. Step 2: Convert to fraction form
    183,615.60/275,423.40 = 99,343.20/x
  3. Step 3: Cross multiply
    183,615.60x = 275,423.40 × 99,343.20
  4. Step 4: Simplify right side
    183,615.60x = 27,361,441,910.88
  5. Step 5: Solve for x
    x = 27,361,441,910.88/183,615.60
  6. Step 6: Final answer
    x = 149,014.80

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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.