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Finding the Fourth Proportional to 247,536, 341,600.09 and 134,358.75

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Solution

The fourth proportional to 247,536, 341,600.09 and 134,358.75 is: 185,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,536 : 341,600.09 = 134,358.75 : x
  2. Step 2: Convert to fraction form
    247,536/341,600.09 = 134,358.75/x
  3. Step 3: Cross multiply
    247,536x = 341,600.09 × 134,358.75
  4. Step 4: Simplify right side
    247,536x = 45,896,960,420.49
  5. Step 5: Solve for x
    x = 45,896,960,420.49/247,536
  6. Step 6: Final answer
    x = 185,415.29

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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.