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Finding the Fourth Proportional to 202,149.90, 303,224.85 and 60,000.30

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Solution

The fourth proportional to 202,149.90, 303,224.85 and 60,000.30 is: 90,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,149.90 : 303,224.85 = 60,000.30 : x
  2. Step 2: Convert to fraction form
    202,149.90/303,224.85 = 60,000.30/x
  3. Step 3: Cross multiply
    202,149.90x = 303,224.85 × 60,000.30
  4. Step 4: Simplify right side
    202,149.90x = 18,193,581,967.46
  5. Step 5: Solve for x
    x = 18,193,581,967.46/202,149.90
  6. Step 6: Final answer
    x = 90,000.45

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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.