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Finding the Fourth Proportional to 189,209.01, 283,246.82 and 182,479.83

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Solution

The fourth proportional to 189,209.01, 283,246.82 and 182,479.83 is: 273,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,209.01 : 283,246.82 = 182,479.83 : x
  2. Step 2: Convert to fraction form
    189,209.01/283,246.82 = 182,479.83/x
  3. Step 3: Cross multiply
    189,209.01x = 283,246.82 × 182,479.83
  4. Step 4: Simplify right side
    189,209.01x = 51,686,830,649.24
  5. Step 5: Solve for x
    x = 51,686,830,649.24/189,209.01
  6. Step 6: Final answer
    x = 273,173.20

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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.