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Finding the Fourth Proportional to 260,915.99, 391,507.89 and 124,293.82

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Solution

The fourth proportional to 260,915.99, 391,507.89 and 124,293.82 is: 186,504.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,915.99 : 391,507.89 = 124,293.82 : x
  2. Step 2: Convert to fraction form
    260,915.99/391,507.89 = 124,293.82/x
  3. Step 3: Cross multiply
    260,915.99x = 391,507.89 × 124,293.82
  4. Step 4: Simplify right side
    260,915.99x = 48,662,011,208.24
  5. Step 5: Solve for x
    x = 48,662,011,208.24/260,915.99
  6. Step 6: Final answer
    x = 186,504.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.