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Finding the Fourth Proportional to 116,010.60, 174,015.90 and 80,581.20

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Solution

The fourth proportional to 116,010.60, 174,015.90 and 80,581.20 is: 120,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,010.60 : 174,015.90 = 80,581.20 : x
  2. Step 2: Convert to fraction form
    116,010.60/174,015.90 = 80,581.20/x
  3. Step 3: Cross multiply
    116,010.60x = 174,015.90 × 80,581.20
  4. Step 4: Simplify right side
    116,010.60x = 14,022,410,041.08
  5. Step 5: Solve for x
    x = 14,022,410,041.08/116,010.60
  6. Step 6: Final answer
    x = 120,871.80

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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.