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Finding the Fourth Proportional to 240,588.72, 360,907.32 and 82,796.40

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Solution

The fourth proportional to 240,588.72, 360,907.32 and 82,796.40 is: 124,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,588.72 : 360,907.32 = 82,796.40 : x
  2. Step 2: Convert to fraction form
    240,588.72/360,907.32 = 82,796.40/x
  3. Step 3: Cross multiply
    240,588.72x = 360,907.32 × 82,796.40
  4. Step 4: Simplify right side
    240,588.72x = 29,881,826,829.65
  5. Step 5: Solve for x
    x = 29,881,826,829.65/240,588.72
  6. Step 6: Final answer
    x = 124,202.94

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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.