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Finding the Fourth Proportional to 240,100.43, 360,168.93 and 71,607.60

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Solution

The fourth proportional to 240,100.43, 360,168.93 and 71,607.60 is: 107,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,100.43 : 360,168.93 = 71,607.60 : x
  2. Step 2: Convert to fraction form
    240,100.43/360,168.93 = 71,607.60/x
  3. Step 3: Cross multiply
    240,100.43x = 360,168.93 × 71,607.60
  4. Step 4: Simplify right side
    240,100.43x = 25,790,832,671.87
  5. Step 5: Solve for x
    x = 25,790,832,671.87/240,100.43
  6. Step 6: Final answer
    x = 107,416.86

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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.