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Finding the Fourth Proportional to 363,346.50, 545,039.20 and 114,047.94

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Solution

The fourth proportional to 363,346.50, 545,039.20 and 114,047.94 is: 171,078.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,346.50 : 545,039.20 = 114,047.94 : x
  2. Step 2: Convert to fraction form
    363,346.50/545,039.20 = 114,047.94/x
  3. Step 3: Cross multiply
    363,346.50x = 545,039.20 × 114,047.94
  4. Step 4: Simplify right side
    363,346.50x = 62,160,597,979.25
  5. Step 5: Solve for x
    x = 62,160,597,979.25/363,346.50
  6. Step 6: Final answer
    x = 171,078.02

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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.