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Finding the Fourth Proportional to 247,137.94, 341,050.80 and 133,960.96

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Solution

The fourth proportional to 247,137.94, 341,050.80 and 133,960.96 is: 184,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,137.94 : 341,050.80 = 133,960.96 : x
  2. Step 2: Convert to fraction form
    247,137.94/341,050.80 = 133,960.96/x
  3. Step 3: Cross multiply
    247,137.94x = 341,050.80 × 133,960.96
  4. Step 4: Simplify right side
    247,137.94x = 45,687,492,576.77
  5. Step 5: Solve for x
    x = 45,687,492,576.77/247,137.94
  6. Step 6: Final answer
    x = 184,866.36

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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.