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Finding the Fourth Proportional to 82,764.90, 124,101.99 and 32,794.38

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Solution

The fourth proportional to 82,764.90, 124,101.99 and 32,794.38 is: 49,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.90 : 124,101.99 = 32,794.38 : x
  2. Step 2: Convert to fraction form
    82,764.90/124,101.99 = 32,794.38/x
  3. Step 3: Cross multiply
    82,764.90x = 124,101.99 × 32,794.38
  4. Step 4: Simplify right side
    82,764.90x = 4,069,847,818.82
  5. Step 5: Solve for x
    x = 4,069,847,818.82/82,764.90
  6. Step 6: Final answer
    x = 49,173.60

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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.