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Finding the Fourth Proportional to 229,974.80, 345,355.80 and 124,998.80

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Solution

The fourth proportional to 229,974.80, 345,355.80 and 124,998.80 is: 187,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,974.80 : 345,355.80 = 124,998.80 : x
  2. Step 2: Convert to fraction form
    229,974.80/345,355.80 = 124,998.80/x
  3. Step 3: Cross multiply
    229,974.80x = 345,355.80 × 124,998.80
  4. Step 4: Simplify right side
    229,974.80x = 43,169,060,573.04
  5. Step 5: Solve for x
    x = 43,169,060,573.04/229,974.80
  6. Step 6: Final answer
    x = 187,712.13

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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.