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Finding the Fourth Proportional to 119,181.68, 178,500.36 and 56,895.92

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Solution

The fourth proportional to 119,181.68, 178,500.36 and 56,895.92 is: 85,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.68 : 178,500.36 = 56,895.92 : x
  2. Step 2: Convert to fraction form
    119,181.68/178,500.36 = 56,895.92/x
  3. Step 3: Cross multiply
    119,181.68x = 178,500.36 × 56,895.92
  4. Step 4: Simplify right side
    119,181.68x = 10,155,942,202.53
  5. Step 5: Solve for x
    x = 10,155,942,202.53/119,181.68
  6. Step 6: Final answer
    x = 85,213.95

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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.