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Finding the Fourth Proportional to 363,562.66, 545,090.94 and 161,048.80

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Solution

The fourth proportional to 363,562.66, 545,090.94 and 161,048.80 is: 241,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,562.66 : 545,090.94 = 161,048.80 : x
  2. Step 2: Convert to fraction form
    363,562.66/545,090.94 = 161,048.80/x
  3. Step 3: Cross multiply
    363,562.66x = 545,090.94 × 161,048.80
  4. Step 4: Simplify right side
    363,562.66x = 87,786,241,777.87
  5. Step 5: Solve for x
    x = 87,786,241,777.87/363,562.66
  6. Step 6: Final answer
    x = 241,461.11

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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.