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Finding the Fourth Proportional to 240,835.68, 361,239.62 and 72,352.26

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Solution

The fourth proportional to 240,835.68, 361,239.62 and 72,352.26 is: 108,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,835.68 : 361,239.62 = 72,352.26 : x
  2. Step 2: Convert to fraction form
    240,835.68/361,239.62 = 72,352.26/x
  3. Step 3: Cross multiply
    240,835.68x = 361,239.62 × 72,352.26
  4. Step 4: Simplify right side
    240,835.68x = 26,136,502,546.78
  5. Step 5: Solve for x
    x = 26,136,502,546.78/240,835.68
  6. Step 6: Final answer
    x = 108,524.21

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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.