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Finding the Fourth Proportional to 251,866.36, 377,930.58 and 111,592

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Solution

The fourth proportional to 251,866.36, 377,930.58 and 111,592 is: 167,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,866.36 : 377,930.58 = 111,592 : x
  2. Step 2: Convert to fraction form
    251,866.36/377,930.58 = 111,592/x
  3. Step 3: Cross multiply
    251,866.36x = 377,930.58 × 111,592
  4. Step 4: Simplify right side
    251,866.36x = 42,174,029,283.36
  5. Step 5: Solve for x
    x = 42,174,029,283.36/251,866.36
  6. Step 6: Final answer
    x = 167,446.06

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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.