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Finding the Fourth Proportional to 240,398.92, 360,594.30 and 71,919.64

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Solution

The fourth proportional to 240,398.92, 360,594.30 and 71,919.64 is: 107,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,398.92 : 360,594.30 = 71,919.64 : x
  2. Step 2: Convert to fraction form
    240,398.92/360,594.30 = 71,919.64/x
  3. Step 3: Cross multiply
    240,398.92x = 360,594.30 × 71,919.64
  4. Step 4: Simplify right side
    240,398.92x = 25,933,812,242.05
  5. Step 5: Solve for x
    x = 25,933,812,242.05/240,398.92
  6. Step 6: Final answer
    x = 107,878.24

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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.