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Finding the Fourth Proportional to 363,572.04, 545,103.78 and 161,069.52

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Solution

The fourth proportional to 363,572.04, 545,103.78 and 161,069.52 is: 241,491.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,572.04 : 545,103.78 = 161,069.52 : x
  2. Step 2: Convert to fraction form
    363,572.04/545,103.78 = 161,069.52/x
  3. Step 3: Cross multiply
    363,572.04x = 545,103.78 × 161,069.52
  4. Step 4: Simplify right side
    363,572.04x = 87,799,604,194.79
  5. Step 5: Solve for x
    x = 87,799,604,194.79/363,572.04
  6. Step 6: Final answer
    x = 241,491.63

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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.