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Finding the Fourth Proportional to 178,596.70, 246,447.12 and 105,987.04

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Solution

The fourth proportional to 178,596.70, 246,447.12 and 105,987.04 is: 146,252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,596.70 : 246,447.12 = 105,987.04 : x
  2. Step 2: Convert to fraction form
    178,596.70/246,447.12 = 105,987.04/x
  3. Step 3: Cross multiply
    178,596.70x = 246,447.12 × 105,987.04
  4. Step 4: Simplify right side
    178,596.70x = 26,120,200,765.32
  5. Step 5: Solve for x
    x = 26,120,200,765.32/178,596.70
  6. Step 6: Final answer
    x = 146,252.43

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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.