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Finding the Fourth Proportional to 119,340.30, 178,982.16 and 44,495.58

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Solution

The fourth proportional to 119,340.30, 178,982.16 and 44,495.58 is: 66,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,340.30 : 178,982.16 = 44,495.58 : x
  2. Step 2: Convert to fraction form
    119,340.30/178,982.16 = 44,495.58/x
  3. Step 3: Cross multiply
    119,340.30x = 178,982.16 × 44,495.58
  4. Step 4: Simplify right side
    119,340.30x = 7,963,915,018.85
  5. Step 5: Solve for x
    x = 7,963,915,018.85/119,340.30
  6. Step 6: Final answer
    x = 66,732.82

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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.