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Finding the Fourth Proportional to 74,141.96, 101,984.10 and 65,022.44

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Solution

The fourth proportional to 74,141.96, 101,984.10 and 65,022.44 is: 89,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.96 : 101,984.10 = 65,022.44 : x
  2. Step 2: Convert to fraction form
    74,141.96/101,984.10 = 65,022.44/x
  3. Step 3: Cross multiply
    74,141.96x = 101,984.10 × 65,022.44
  4. Step 4: Simplify right side
    74,141.96x = 6,631,255,023.20
  5. Step 5: Solve for x
    x = 6,631,255,023.20/74,141.96
  6. Step 6: Final answer
    x = 89,439.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.