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Finding the Fourth Proportional to 116,003.60, 173,616.60 and 81,011.60

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Solution

The fourth proportional to 116,003.60, 173,616.60 and 81,011.60 is: 121,245.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,003.60 : 173,616.60 = 81,011.60 : x
  2. Step 2: Convert to fraction form
    116,003.60/173,616.60 = 81,011.60/x
  3. Step 3: Cross multiply
    116,003.60x = 173,616.60 × 81,011.60
  4. Step 4: Simplify right side
    116,003.60x = 14,064,958,552.56
  5. Step 5: Solve for x
    x = 14,064,958,552.56/116,003.60
  6. Step 6: Final answer
    x = 121,245.88

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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.