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Finding the Fourth Proportional to 162,365.50, 243,334.41 and 68,755.42

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Solution

The fourth proportional to 162,365.50, 243,334.41 and 68,755.42 is: 103,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,365.50 : 243,334.41 = 68,755.42 : x
  2. Step 2: Convert to fraction form
    162,365.50/243,334.41 = 68,755.42/x
  3. Step 3: Cross multiply
    162,365.50x = 243,334.41 × 68,755.42
  4. Step 4: Simplify right side
    162,365.50x = 16,730,559,560.00
  5. Step 5: Solve for x
    x = 16,730,559,560.00/162,365.50
  6. Step 6: Final answer
    x = 103,042.58

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