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Finding the Fourth Proportional to 365,179.68, 547,856.64 and 115,861.68

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Solution

The fourth proportional to 365,179.68, 547,856.64 and 115,861.68 is: 173,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,179.68 : 547,856.64 = 115,861.68 : x
  2. Step 2: Convert to fraction form
    365,179.68/547,856.64 = 115,861.68/x
  3. Step 3: Cross multiply
    365,179.68x = 547,856.64 × 115,861.68
  4. Step 4: Simplify right side
    365,179.68x = 63,475,590,709.56
  5. Step 5: Solve for x
    x = 63,475,590,709.56/365,179.68
  6. Step 6: Final answer
    x = 173,820.16

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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.