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Finding the Fourth Proportional to 368,053.39, 552,016.05 and 118,735.39

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Solution

The fourth proportional to 368,053.39, 552,016.05 and 118,735.39 is: 178,082.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,053.39 : 552,016.05 = 118,735.39 : x
  2. Step 2: Convert to fraction form
    368,053.39/552,016.05 = 118,735.39/x
  3. Step 3: Cross multiply
    368,053.39x = 552,016.05 × 118,735.39
  4. Step 4: Simplify right side
    368,053.39x = 65,543,840,983.01
  5. Step 5: Solve for x
    x = 65,543,840,983.01/368,053.39
  6. Step 6: Final answer
    x = 178,082.43

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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.