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Finding the Fourth Proportional to 252,340.53, 348,230.22 and 137,619.34

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Solution

The fourth proportional to 252,340.53, 348,230.22 and 137,619.34 is: 189,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,340.53 : 348,230.22 = 137,619.34 : x
  2. Step 2: Convert to fraction form
    252,340.53/348,230.22 = 137,619.34/x
  3. Step 3: Cross multiply
    252,340.53x = 348,230.22 × 137,619.34
  4. Step 4: Simplify right side
    252,340.53x = 47,923,213,044.45
  5. Step 5: Solve for x
    x = 47,923,213,044.45/252,340.53
  6. Step 6: Final answer
    x = 189,914.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.