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Finding the Fourth Proportional to 82,844.80, 124,257.90 and 22,881.80

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Solution

The fourth proportional to 82,844.80, 124,257.90 and 22,881.80 is: 34,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,844.80 : 124,257.90 = 22,881.80 : x
  2. Step 2: Convert to fraction form
    82,844.80/124,257.90 = 22,881.80/x
  3. Step 3: Cross multiply
    82,844.80x = 124,257.90 × 22,881.80
  4. Step 4: Simplify right side
    82,844.80x = 2,843,244,416.22
  5. Step 5: Solve for x
    x = 2,843,244,416.22/82,844.80
  6. Step 6: Final answer
    x = 34,320.13

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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.