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Finding the Fourth Proportional to 136,649.97, 204,964.02 and 60,772.01

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Solution

The fourth proportional to 136,649.97, 204,964.02 and 60,772.01 is: 91,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,649.97 : 204,964.02 = 60,772.01 : x
  2. Step 2: Convert to fraction form
    136,649.97/204,964.02 = 60,772.01/x
  3. Step 3: Cross multiply
    136,649.97x = 204,964.02 × 60,772.01
  4. Step 4: Simplify right side
    136,649.97x = 12,456,074,448.26
  5. Step 5: Solve for x
    x = 12,456,074,448.26/136,649.97
  6. Step 6: Final answer
    x = 91,153.14

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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.