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Finding the Fourth Proportional to 240,615.52, 360,942.70 and 74,403.52

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Solution

The fourth proportional to 240,615.52, 360,942.70 and 74,403.52 is: 111,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.52 : 360,942.70 = 74,403.52 : x
  2. Step 2: Convert to fraction form
    240,615.52/360,942.70 = 74,403.52/x
  3. Step 3: Cross multiply
    240,615.52x = 360,942.70 × 74,403.52
  4. Step 4: Simplify right side
    240,615.52x = 26,855,407,398.30
  5. Step 5: Solve for x
    x = 26,855,407,398.30/240,615.52
  6. Step 6: Final answer
    x = 111,611.29

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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.