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Finding the Fourth Proportional to 176,343.89, 243,346.43 and 99,861.24

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Solution

The fourth proportional to 176,343.89, 243,346.43 and 99,861.24 is: 137,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,343.89 : 243,346.43 = 99,861.24 : x
  2. Step 2: Convert to fraction form
    176,343.89/243,346.43 = 99,861.24/x
  3. Step 3: Cross multiply
    176,343.89x = 243,346.43 × 99,861.24
  4. Step 4: Simplify right side
    176,343.89x = 24,300,876,249.37
  5. Step 5: Solve for x
    x = 24,300,876,249.37/176,343.89
  6. Step 6: Final answer
    x = 137,803.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.