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Finding the Fourth Proportional to 178,808.30, 246,770.61 and 98,251.98

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Solution

The fourth proportional to 178,808.30, 246,770.61 and 98,251.98 is: 135,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,808.30 : 246,770.61 = 98,251.98 : x
  2. Step 2: Convert to fraction form
    178,808.30/246,770.61 = 98,251.98/x
  3. Step 3: Cross multiply
    178,808.30x = 246,770.61 × 98,251.98
  4. Step 4: Simplify right side
    178,808.30x = 24,245,701,038.31
  5. Step 5: Solve for x
    x = 24,245,701,038.31/178,808.30
  6. Step 6: Final answer
    x = 135,596.06

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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.