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Finding the Fourth Proportional to 247,373.86, 341,375.22 and 134,196.64

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Solution

The fourth proportional to 247,373.86, 341,375.22 and 134,196.64 is: 185,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,373.86 : 341,375.22 = 134,196.64 : x
  2. Step 2: Convert to fraction form
    247,373.86/341,375.22 = 134,196.64/x
  3. Step 3: Cross multiply
    247,373.86x = 341,375.22 × 134,196.64
  4. Step 4: Simplify right side
    247,373.86x = 45,811,407,503.26
  5. Step 5: Solve for x
    x = 45,811,407,503.26/247,373.86
  6. Step 6: Final answer
    x = 185,190.98

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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.