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Finding the Fourth Proportional to 169,361.12, 254,041.79 and 43,010.84

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Solution

The fourth proportional to 169,361.12, 254,041.79 and 43,010.84 is: 64,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,361.12 : 254,041.79 = 43,010.84 : x
  2. Step 2: Convert to fraction form
    169,361.12/254,041.79 = 43,010.84/x
  3. Step 3: Cross multiply
    169,361.12x = 254,041.79 × 43,010.84
  4. Step 4: Simplify right side
    169,361.12x = 10,926,551,525.64
  5. Step 5: Solve for x
    x = 10,926,551,525.64/169,361.12
  6. Step 6: Final answer
    x = 64,516.29

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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.