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Finding the Fourth Proportional to 119,285.67, 178,929.27 and 35,045.49

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Solution

The fourth proportional to 119,285.67, 178,929.27 and 35,045.49 is: 52,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.67 : 178,929.27 = 35,045.49 : x
  2. Step 2: Convert to fraction form
    119,285.67/178,929.27 = 35,045.49/x
  3. Step 3: Cross multiply
    119,285.67x = 178,929.27 × 35,045.49
  4. Step 4: Simplify right side
    119,285.67x = 6,270,663,942.49
  5. Step 5: Solve for x
    x = 6,270,663,942.49/119,285.67
  6. Step 6: Final answer
    x = 52,568.46

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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.