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Finding the Fourth Proportional to 64,194.49, 96,385.21 and 45,573.40

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Solution

The fourth proportional to 64,194.49, 96,385.21 and 45,573.40 is: 68,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,194.49 : 96,385.21 = 45,573.40 : x
  2. Step 2: Convert to fraction form
    64,194.49/96,385.21 = 45,573.40/x
  3. Step 3: Cross multiply
    64,194.49x = 96,385.21 × 45,573.40
  4. Step 4: Simplify right side
    64,194.49x = 4,392,601,735.96
  5. Step 5: Solve for x
    x = 4,392,601,735.96/64,194.49
  6. Step 6: Final answer
    x = 68,426.46

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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.