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Finding the Fourth Proportional to 188,455.50, 282,680.91 and 55,330.97

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Solution

The fourth proportional to 188,455.50, 282,680.91 and 55,330.97 is: 82,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,455.50 : 282,680.91 = 55,330.97 : x
  2. Step 2: Convert to fraction form
    188,455.50/282,680.91 = 55,330.97/x
  3. Step 3: Cross multiply
    188,455.50x = 282,680.91 × 55,330.97
  4. Step 4: Simplify right side
    188,455.50x = 15,641,007,537.38
  5. Step 5: Solve for x
    x = 15,641,007,537.38/188,455.50
  6. Step 6: Final answer
    x = 82,995.76

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1.5x scale

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.