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Finding the Fourth Proportional to 363,548.87, 545,070.32 and 161,035.04

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Solution

The fourth proportional to 363,548.87, 545,070.32 and 161,035.04 is: 241,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,548.87 : 545,070.32 = 161,035.04 : x
  2. Step 2: Convert to fraction form
    363,548.87/545,070.32 = 161,035.04/x
  3. Step 3: Cross multiply
    363,548.87x = 545,070.32 × 161,035.04
  4. Step 4: Simplify right side
    363,548.87x = 87,775,418,058.66
  5. Step 5: Solve for x
    x = 87,775,418,058.66/363,548.87
  6. Step 6: Final answer
    x = 241,440.49

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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.