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Finding the Fourth Proportional to 363,656.98, 545,231.86 and 161,142.94

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Solution

The fourth proportional to 363,656.98, 545,231.86 and 161,142.94 is: 241,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,656.98 : 545,231.86 = 161,142.94 : x
  2. Step 2: Convert to fraction form
    363,656.98/545,231.86 = 161,142.94/x
  3. Step 3: Cross multiply
    363,656.98x = 545,231.86 × 161,142.94
  4. Step 4: Simplify right side
    363,656.98x = 87,860,264,902.07
  5. Step 5: Solve for x
    x = 87,860,264,902.07/363,656.98
  6. Step 6: Final answer
    x = 241,602.03

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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.