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Finding the Fourth Proportional to 119,294.92, 178,942.38 and 116,670.52

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Solution

The fourth proportional to 119,294.92, 178,942.38 and 116,670.52 is: 175,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,294.92 : 178,942.38 = 116,670.52 : x
  2. Step 2: Convert to fraction form
    119,294.92/178,942.38 = 116,670.52/x
  3. Step 3: Cross multiply
    119,294.92x = 178,942.38 × 116,670.52
  4. Step 4: Simplify right side
    119,294.92x = 20,877,300,524.64
  5. Step 5: Solve for x
    x = 20,877,300,524.64/119,294.92
  6. Step 6: Final answer
    x = 175,005.78

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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.