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Finding the Fourth Proportional to 168,361.28, 232,341.54 and 91,881.04

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Solution

The fourth proportional to 168,361.28, 232,341.54 and 91,881.04 is: 126,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,361.28 : 232,341.54 = 91,881.04 : x
  2. Step 2: Convert to fraction form
    168,361.28/232,341.54 = 91,881.04/x
  3. Step 3: Cross multiply
    168,361.28x = 232,341.54 × 91,881.04
  4. Step 4: Simplify right side
    168,361.28x = 21,347,782,040.20
  5. Step 5: Solve for x
    x = 21,347,782,040.20/168,361.28
  6. Step 6: Final answer
    x = 126,797.45

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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.