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Finding the Fourth Proportional to 82,805.94, 124,127.91 and 32,869.44

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Solution

The fourth proportional to 82,805.94, 124,127.91 and 32,869.44 is: 49,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,805.94 : 124,127.91 = 32,869.44 : x
  2. Step 2: Convert to fraction form
    82,805.94/124,127.91 = 32,869.44/x
  3. Step 3: Cross multiply
    82,805.94x = 124,127.91 × 32,869.44
  4. Step 4: Simplify right side
    82,805.94x = 4,080,014,890.07
  5. Step 5: Solve for x
    x = 4,080,014,890.07/82,805.94
  6. Step 6: Final answer
    x = 49,272.01

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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.