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Finding the Fourth Proportional to 189,162.80, 283,717.44 and 56,057.12

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Solution

The fourth proportional to 189,162.80, 283,717.44 and 56,057.12 is: 84,077.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,162.80 : 283,717.44 = 56,057.12 : x
  2. Step 2: Convert to fraction form
    189,162.80/283,717.44 = 56,057.12/x
  3. Step 3: Cross multiply
    189,162.80x = 283,717.44 × 56,057.12
  4. Step 4: Simplify right side
    189,162.80x = 15,904,382,580.17
  5. Step 5: Solve for x
    x = 15,904,382,580.17/189,162.80
  6. Step 6: Final answer
    x = 84,077.75

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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.