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Finding the Fourth Proportional to 127,798.54, 191,732.32 and 39,049.62

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Solution

The fourth proportional to 127,798.54, 191,732.32 and 39,049.62 is: 58,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.54 : 191,732.32 = 39,049.62 : x
  2. Step 2: Convert to fraction form
    127,798.54/191,732.32 = 39,049.62/x
  3. Step 3: Cross multiply
    127,798.54x = 191,732.32 × 39,049.62
  4. Step 4: Simplify right side
    127,798.54x = 7,487,074,237.72
  5. Step 5: Solve for x
    x = 7,487,074,237.72/127,798.54
  6. Step 6: Final answer
    x = 58,584.97

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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.