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Finding the Fourth Proportional to 240,953.96, 361,473.24 and 81,014.60

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Solution

The fourth proportional to 240,953.96, 361,473.24 and 81,014.60 is: 121,536.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,953.96 : 361,473.24 = 81,014.60 : x
  2. Step 2: Convert to fraction form
    240,953.96/361,473.24 = 81,014.60/x
  3. Step 3: Cross multiply
    240,953.96x = 361,473.24 × 81,014.60
  4. Step 4: Simplify right side
    240,953.96x = 29,284,609,949.30
  5. Step 5: Solve for x
    x = 29,284,609,949.30/240,953.96
  6. Step 6: Final answer
    x = 121,536.12

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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.