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Finding the Fourth Proportional to 613,287.16, 919,866.03 and 164,053.38

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Solution

The fourth proportional to 613,287.16, 919,866.03 and 164,053.38 is: 246,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,287.16 : 919,866.03 = 164,053.38 : x
  2. Step 2: Convert to fraction form
    613,287.16/919,866.03 = 164,053.38/x
  3. Step 3: Cross multiply
    613,287.16x = 919,866.03 × 164,053.38
  4. Step 4: Simplify right side
    613,287.16x = 150,907,126,769.35
  5. Step 5: Solve for x
    x = 150,907,126,769.35/613,287.16
  6. Step 6: Final answer
    x = 246,062.75

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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.