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Finding the Fourth Proportional to 178,928.82, 246,909.33 and 98,354.34

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Solution

The fourth proportional to 178,928.82, 246,909.33 and 98,354.34 is: 135,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,928.82 : 246,909.33 = 98,354.34 : x
  2. Step 2: Convert to fraction form
    178,928.82/246,909.33 = 98,354.34/x
  3. Step 3: Cross multiply
    178,928.82x = 246,909.33 × 98,354.34
  4. Step 4: Simplify right side
    178,928.82x = 24,284,604,191.99
  5. Step 5: Solve for x
    x = 24,284,604,191.99/178,928.82
  6. Step 6: Final answer
    x = 135,722.15

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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.