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Finding the Fourth Proportional to 240,390.72, 360,487.67 and 107,179.88

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Solution

The fourth proportional to 240,390.72, 360,487.67 and 107,179.88 is: 160,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,390.72 : 360,487.67 = 107,179.88 : x
  2. Step 2: Convert to fraction form
    240,390.72/360,487.67 = 107,179.88/x
  3. Step 3: Cross multiply
    240,390.72x = 360,487.67 × 107,179.88
  4. Step 4: Simplify right side
    240,390.72x = 38,637,022,873.74
  5. Step 5: Solve for x
    x = 38,637,022,873.74/240,390.72
  6. Step 6: Final answer
    x = 160,725.93

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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.