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Finding the Fourth Proportional to 229,952.80, 345,322.80 and 124,976.80

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Solution

The fourth proportional to 229,952.80, 345,322.80 and 124,976.80 is: 187,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,952.80 : 345,322.80 = 124,976.80 : x
  2. Step 2: Convert to fraction form
    229,952.80/345,322.80 = 124,976.80/x
  3. Step 3: Cross multiply
    229,952.80x = 345,322.80 × 124,976.80
  4. Step 4: Simplify right side
    229,952.80x = 43,157,338,511.04
  5. Step 5: Solve for x
    x = 43,157,338,511.04/229,952.80
  6. Step 6: Final answer
    x = 187,679.12

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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.