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Finding the Fourth Proportional to 240,376.35, 360,623.57 and 82,607.07

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Solution

The fourth proportional to 240,376.35, 360,623.57 and 82,607.07 is: 123,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,376.35 : 360,623.57 = 82,607.07 : x
  2. Step 2: Convert to fraction form
    240,376.35/360,623.57 = 82,607.07/x
  3. Step 3: Cross multiply
    240,376.35x = 360,623.57 × 82,607.07
  4. Step 4: Simplify right side
    240,376.35x = 29,790,056,077.60
  5. Step 5: Solve for x
    x = 29,790,056,077.60/240,376.35
  6. Step 6: Final answer
    x = 123,930.89

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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.