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Finding the Fourth Proportional to 178,804.53, 268,441.34 and 119,903.85

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Solution

The fourth proportional to 178,804.53, 268,441.34 and 119,903.85 is: 180,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,804.53 : 268,441.34 = 119,903.85 : x
  2. Step 2: Convert to fraction form
    178,804.53/268,441.34 = 119,903.85/x
  3. Step 3: Cross multiply
    178,804.53x = 268,441.34 × 119,903.85
  4. Step 4: Simplify right side
    178,804.53x = 32,187,149,565.64
  5. Step 5: Solve for x
    x = 32,187,149,565.64/178,804.53
  6. Step 6: Final answer
    x = 180,013.05

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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.