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Finding the Fourth Proportional to 96,662.80, 144,994.20 and 63,485.20

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Solution

The fourth proportional to 96,662.80, 144,994.20 and 63,485.20 is: 95,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662.80 : 144,994.20 = 63,485.20 : x
  2. Step 2: Convert to fraction form
    96,662.80/144,994.20 = 63,485.20/x
  3. Step 3: Cross multiply
    96,662.80x = 144,994.20 × 63,485.20
  4. Step 4: Simplify right side
    96,662.80x = 9,204,985,785.84
  5. Step 5: Solve for x
    x = 9,204,985,785.84/96,662.80
  6. Step 6: Final answer
    x = 95,227.80

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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.