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Finding the Fourth Proportional to 189,072.62, 283,649.93 and 55,962.23

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Solution

The fourth proportional to 189,072.62, 283,649.93 and 55,962.23 is: 83,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,072.62 : 283,649.93 = 55,962.23 : x
  2. Step 2: Convert to fraction form
    189,072.62/283,649.93 = 55,962.23/x
  3. Step 3: Cross multiply
    189,072.62x = 283,649.93 × 55,962.23
  4. Step 4: Simplify right side
    189,072.62x = 15,873,682,622.14
  5. Step 5: Solve for x
    x = 15,873,682,622.14/189,072.62
  6. Step 6: Final answer
    x = 83,955.48

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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.