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Finding the Fourth Proportional to 350,156.52, 525,234.80 and 87,500.52

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Solution

The fourth proportional to 350,156.52, 525,234.80 and 87,500.52 is: 131,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,156.52 : 525,234.80 = 87,500.52 : x
  2. Step 2: Convert to fraction form
    350,156.52/525,234.80 = 87,500.52/x
  3. Step 3: Cross multiply
    350,156.52x = 525,234.80 × 87,500.52
  4. Step 4: Simplify right side
    350,156.52x = 45,958,318,122.10
  5. Step 5: Solve for x
    x = 45,958,318,122.10/350,156.52
  6. Step 6: Final answer
    x = 131,250.78

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1.5x scale

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.