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Finding the Fourth Proportional to 218,229.53, 301,135.46 and 122,734.17

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Solution

The fourth proportional to 218,229.53, 301,135.46 and 122,734.17 is: 169,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,229.53 : 301,135.46 = 122,734.17 : x
  2. Step 2: Convert to fraction form
    218,229.53/301,135.46 = 122,734.17/x
  3. Step 3: Cross multiply
    218,229.53x = 301,135.46 × 122,734.17
  4. Step 4: Simplify right side
    218,229.53x = 36,959,610,127.00
  5. Step 5: Solve for x
    x = 36,959,610,127.00/218,229.53
  6. Step 6: Final answer
    x = 169,361.18

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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.