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Finding the Fourth Proportional to 185,639.67, 277,960.61 and 117,804.44

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Solution

The fourth proportional to 185,639.67, 277,960.61 and 117,804.44 is: 176,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,639.67 : 277,960.61 = 117,804.44 : x
  2. Step 2: Convert to fraction form
    185,639.67/277,960.61 = 117,804.44/x
  3. Step 3: Cross multiply
    185,639.67x = 277,960.61 × 117,804.44
  4. Step 4: Simplify right side
    185,639.67x = 32,744,992,024.28
  5. Step 5: Solve for x
    x = 32,744,992,024.28/185,639.67
  6. Step 6: Final answer
    x = 176,390.06

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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.