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Finding the Fourth Proportional to 350,287.61, 525,505.26 and 113,611.88

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Solution

The fourth proportional to 350,287.61, 525,505.26 and 113,611.88 is: 170,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,287.61 : 525,505.26 = 113,611.88 : x
  2. Step 2: Convert to fraction form
    350,287.61/525,505.26 = 113,611.88/x
  3. Step 3: Cross multiply
    350,287.61x = 525,505.26 × 113,611.88
  4. Step 4: Simplify right side
    350,287.61x = 59,703,637,910.96
  5. Step 5: Solve for x
    x = 59,703,637,910.96/350,287.61
  6. Step 6: Final answer
    x = 170,441.77

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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.