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Finding the Fourth Proportional to 82,952.44, 124,429.13 and 20,622.94

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Solution

The fourth proportional to 82,952.44, 124,429.13 and 20,622.94 is: 30,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952.44 : 124,429.13 = 20,622.94 : x
  2. Step 2: Convert to fraction form
    82,952.44/124,429.13 = 20,622.94/x
  3. Step 3: Cross multiply
    82,952.44x = 124,429.13 × 20,622.94
  4. Step 4: Simplify right side
    82,952.44x = 2,566,094,145.39
  5. Step 5: Solve for x
    x = 2,566,094,145.39/82,952.44
  6. Step 6: Final answer
    x = 30,934.52

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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.