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Finding the Fourth Proportional to 108,678.88, 163,041.78 and 33,797.56

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Solution

The fourth proportional to 108,678.88, 163,041.78 and 33,797.56 is: 50,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,678.88 : 163,041.78 = 33,797.56 : x
  2. Step 2: Convert to fraction form
    108,678.88/163,041.78 = 33,797.56/x
  3. Step 3: Cross multiply
    108,678.88x = 163,041.78 × 33,797.56
  4. Step 4: Simplify right side
    108,678.88x = 5,510,414,342.06
  5. Step 5: Solve for x
    x = 5,510,414,342.06/108,678.88
  6. Step 6: Final answer
    x = 50,703.64

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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.