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Finding the Fourth Proportional to 240,489.36, 360,783.24 and 82,697.32

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Solution

The fourth proportional to 240,489.36, 360,783.24 and 82,697.32 is: 124,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,489.36 : 360,783.24 = 82,697.32 : x
  2. Step 2: Convert to fraction form
    240,489.36/360,783.24 = 82,697.32/x
  3. Step 3: Cross multiply
    240,489.36x = 360,783.24 × 82,697.32
  4. Step 4: Simplify right side
    240,489.36x = 29,835,807,048.92
  5. Step 5: Solve for x
    x = 29,835,807,048.92/240,489.36
  6. Step 6: Final answer
    x = 124,062.90

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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.