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Finding the Fourth Proportional to 194,592.97, 268,400.30 and 126,484.32

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Solution

The fourth proportional to 194,592.97, 268,400.30 and 126,484.32 is: 174,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,592.97 : 268,400.30 = 126,484.32 : x
  2. Step 2: Convert to fraction form
    194,592.97/268,400.30 = 126,484.32/x
  3. Step 3: Cross multiply
    194,592.97x = 268,400.30 × 126,484.32
  4. Step 4: Simplify right side
    194,592.97x = 33,948,430,518.85
  5. Step 5: Solve for x
    x = 33,948,430,518.85/194,592.97
  6. Step 6: Final answer
    x = 174,458.67

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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.