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Finding the Fourth Proportional to 336,882.60, 504,885.60 and 136,969.92

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Solution

The fourth proportional to 336,882.60, 504,885.60 and 136,969.92 is: 205,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,882.60 : 504,885.60 = 136,969.92 : x
  2. Step 2: Convert to fraction form
    336,882.60/504,885.60 = 136,969.92/x
  3. Step 3: Cross multiply
    336,882.60x = 504,885.60 × 136,969.92
  4. Step 4: Simplify right side
    336,882.60x = 69,154,140,241.15
  5. Step 5: Solve for x
    x = 69,154,140,241.15/336,882.60
  6. Step 6: Final answer
    x = 205,276.68

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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.