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Finding the Fourth Proportional to 161,714.60, 242,597.80 and 68,234.12

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Solution

The fourth proportional to 161,714.60, 242,597.80 and 68,234.12 is: 102,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,714.60 : 242,597.80 = 68,234.12 : x
  2. Step 2: Convert to fraction form
    161,714.60/242,597.80 = 68,234.12/x
  3. Step 3: Cross multiply
    161,714.60x = 242,597.80 × 68,234.12
  4. Step 4: Simplify right side
    161,714.60x = 16,553,447,396.94
  5. Step 5: Solve for x
    x = 16,553,447,396.94/161,714.60
  6. Step 6: Final answer
    x = 102,362.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.