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Finding the Fourth Proportional to 240,670.08, 360,982.08 and 82,876.80

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Solution

The fourth proportional to 240,670.08, 360,982.08 and 82,876.80 is: 124,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,670.08 : 360,982.08 = 82,876.80 : x
  2. Step 2: Convert to fraction form
    240,670.08/360,982.08 = 82,876.80/x
  3. Step 3: Cross multiply
    240,670.08x = 360,982.08 × 82,876.80
  4. Step 4: Simplify right side
    240,670.08x = 29,917,039,647.74
  5. Step 5: Solve for x
    x = 29,917,039,647.74/240,670.08
  6. Step 6: Final answer
    x = 124,307.27

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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.