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Finding the Fourth Proportional to 108,679.38, 163,042.53 and 33,798.06

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Solution

The fourth proportional to 108,679.38, 163,042.53 and 33,798.06 is: 50,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,679.38 : 163,042.53 = 33,798.06 : x
  2. Step 2: Convert to fraction form
    108,679.38/163,042.53 = 33,798.06/x
  3. Step 3: Cross multiply
    108,679.38x = 163,042.53 × 33,798.06
  4. Step 4: Simplify right side
    108,679.38x = 5,510,521,211.49
  5. Step 5: Solve for x
    x = 5,510,521,211.49/108,679.38
  6. Step 6: Final answer
    x = 50,704.39

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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.