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Finding the Fourth Proportional to 127,227.65, 190,550.78 and 60,714.48

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Solution

The fourth proportional to 127,227.65, 190,550.78 and 60,714.48 is: 90,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,227.65 : 190,550.78 = 60,714.48 : x
  2. Step 2: Convert to fraction form
    127,227.65/190,550.78 = 60,714.48/x
  3. Step 3: Cross multiply
    127,227.65x = 190,550.78 × 60,714.48
  4. Step 4: Simplify right side
    127,227.65x = 11,569,192,216.89
  5. Step 5: Solve for x
    x = 11,569,192,216.89/127,227.65
  6. Step 6: Final answer
    x = 90,933.01

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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.