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Finding the Fourth Proportional to 350,081.80, 525,252.30 and 113,432.20

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Solution

The fourth proportional to 350,081.80, 525,252.30 and 113,432.20 is: 170,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,081.80 : 525,252.30 = 113,432.20 : x
  2. Step 2: Convert to fraction form
    350,081.80/525,252.30 = 113,432.20/x
  3. Step 3: Cross multiply
    350,081.80x = 525,252.30 × 113,432.20
  4. Step 4: Simplify right side
    350,081.80x = 59,580,523,944.06
  5. Step 5: Solve for x
    x = 59,580,523,944.06/350,081.80
  6. Step 6: Final answer
    x = 170,190.29

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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.