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Finding the Fourth Proportional to 147,224.46, 203,169.72 and 80,156.46

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Solution

The fourth proportional to 147,224.46, 203,169.72 and 80,156.46 is: 110,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224.46 : 203,169.72 = 80,156.46 : x
  2. Step 2: Convert to fraction form
    147,224.46/203,169.72 = 80,156.46/x
  3. Step 3: Cross multiply
    147,224.46x = 203,169.72 × 80,156.46
  4. Step 4: Simplify right side
    147,224.46x = 16,285,365,534.39
  5. Step 5: Solve for x
    x = 16,285,365,534.39/147,224.46
  6. Step 6: Final answer
    x = 110,615.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.