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Finding the Fourth Proportional to 108,550.40, 162,700.50 and 41,961.20

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Solution

The fourth proportional to 108,550.40, 162,700.50 and 41,961.20 is: 62,893.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,550.40 : 162,700.50 = 41,961.20 : x
  2. Step 2: Convert to fraction form
    108,550.40/162,700.50 = 41,961.20/x
  3. Step 3: Cross multiply
    108,550.40x = 162,700.50 × 41,961.20
  4. Step 4: Simplify right side
    108,550.40x = 6,827,108,220.60
  5. Step 5: Solve for x
    x = 6,827,108,220.60/108,550.40
  6. Step 6: Final answer
    x = 62,893.44

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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.