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Finding the Fourth Proportional to 108,004.20, 161,957.70 and 41,422.20

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Solution

The fourth proportional to 108,004.20, 161,957.70 and 41,422.20 is: 62,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.20 : 161,957.70 = 41,422.20 : x
  2. Step 2: Convert to fraction form
    108,004.20/161,957.70 = 41,422.20/x
  3. Step 3: Cross multiply
    108,004.20x = 161,957.70 × 41,422.20
  4. Step 4: Simplify right side
    108,004.20x = 6,708,644,240.94
  5. Step 5: Solve for x
    x = 6,708,644,240.94/108,004.20
  6. Step 6: Final answer
    x = 62,114.66

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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.