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Finding the Fourth Proportional to 240,068.96, 360,120.96 and 82,296.08

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Solution

The fourth proportional to 240,068.96, 360,120.96 and 82,296.08 is: 123,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,068.96 : 360,120.96 = 82,296.08 : x
  2. Step 2: Convert to fraction form
    240,068.96/360,120.96 = 82,296.08/x
  3. Step 3: Cross multiply
    240,068.96x = 360,120.96 × 82,296.08
  4. Step 4: Simplify right side
    240,068.96x = 29,636,543,333.84
  5. Step 5: Solve for x
    x = 29,636,543,333.84/240,068.96
  6. Step 6: Final answer
    x = 123,450.13

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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.