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Finding the Fourth Proportional to 147,311.56, 220,967.22 and 36,503.56

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Solution

The fourth proportional to 147,311.56, 220,967.22 and 36,503.56 is: 54,755.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,311.56 : 220,967.22 = 36,503.56 : x
  2. Step 2: Convert to fraction form
    147,311.56/220,967.22 = 36,503.56/x
  3. Step 3: Cross multiply
    147,311.56x = 220,967.22 × 36,503.56
  4. Step 4: Simplify right side
    147,311.56x = 8,066,090,173.30
  5. Step 5: Solve for x
    x = 8,066,090,173.30/147,311.56
  6. Step 6: Final answer
    x = 54,755.31

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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.