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Finding the Fourth Proportional to 119,042.48, 178,563.71 and 92,766.89

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Solution

The fourth proportional to 119,042.48, 178,563.71 and 92,766.89 is: 139,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,042.48 : 178,563.71 = 92,766.89 : x
  2. Step 2: Convert to fraction form
    119,042.48/178,563.71 = 92,766.89/x
  3. Step 3: Cross multiply
    119,042.48x = 178,563.71 × 92,766.89
  4. Step 4: Simplify right side
    119,042.48x = 16,564,799,382.66
  5. Step 5: Solve for x
    x = 16,564,799,382.66/119,042.48
  6. Step 6: Final answer
    x = 139,150.33

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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.