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Finding the Fourth Proportional to 124,388.25, 186,611.55 and 41,282.25

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Solution

The fourth proportional to 124,388.25, 186,611.55 and 41,282.25 is: 61,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,388.25 : 186,611.55 = 41,282.25 : x
  2. Step 2: Convert to fraction form
    124,388.25/186,611.55 = 41,282.25/x
  3. Step 3: Cross multiply
    124,388.25x = 186,611.55 × 41,282.25
  4. Step 4: Simplify right side
    124,388.25x = 7,703,744,659.99
  5. Step 5: Solve for x
    x = 7,703,744,659.99/124,388.25
  6. Step 6: Final answer
    x = 61,933.06

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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.