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Finding the Fourth Proportional to 180,664.68, 270,994.56 and 56,005.68

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Solution

The fourth proportional to 180,664.68, 270,994.56 and 56,005.68 is: 84,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.68 : 270,994.56 = 56,005.68 : x
  2. Step 2: Convert to fraction form
    180,664.68/270,994.56 = 56,005.68/x
  3. Step 3: Cross multiply
    180,664.68x = 270,994.56 × 56,005.68
  4. Step 4: Simplify right side
    180,664.68x = 15,177,234,609.10
  5. Step 5: Solve for x
    x = 15,177,234,609.10/180,664.68
  6. Step 6: Final answer
    x = 84,007.76

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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.