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Finding the Fourth Proportional to 108,782.98, 163,174.46 and 33,909.16

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Solution

The fourth proportional to 108,782.98, 163,174.46 and 33,909.16 is: 50,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,782.98 : 163,174.46 = 33,909.16 : x
  2. Step 2: Convert to fraction form
    108,782.98/163,174.46 = 33,909.16/x
  3. Step 3: Cross multiply
    108,782.98x = 163,174.46 × 33,909.16
  4. Step 4: Simplify right side
    108,782.98x = 5,533,108,872.05
  5. Step 5: Solve for x
    x = 5,533,108,872.05/108,782.98
  6. Step 6: Final answer
    x = 50,863.74

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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.