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Finding the Fourth Proportional to 167,616.10, 251,942.55 and 164,505.70

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Solution

The fourth proportional to 167,616.10, 251,942.55 and 164,505.70 is: 247,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,616.10 : 251,942.55 = 164,505.70 : x
  2. Step 2: Convert to fraction form
    167,616.10/251,942.55 = 164,505.70/x
  3. Step 3: Cross multiply
    167,616.10x = 251,942.55 × 164,505.70
  4. Step 4: Simplify right side
    167,616.10x = 41,445,985,547.54
  5. Step 5: Solve for x
    x = 41,445,985,547.54/167,616.10
  6. Step 6: Final answer
    x = 247,267.33

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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.