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Finding the Fourth Proportional to 181,855.80, 250,968.74 and 101,283.31

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Solution

The fourth proportional to 181,855.80, 250,968.74 and 101,283.31 is: 139,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,855.80 : 250,968.74 = 101,283.31 : x
  2. Step 2: Convert to fraction form
    181,855.80/250,968.74 = 101,283.31/x
  3. Step 3: Cross multiply
    181,855.80x = 250,968.74 × 101,283.31
  4. Step 4: Simplify right side
    181,855.80x = 25,418,944,693.73
  5. Step 5: Solve for x
    x = 25,418,944,693.73/181,855.80
  6. Step 6: Final answer
    x = 139,775.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.