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Finding the Fourth Proportional to 363,638.16, 545,488.76 and 110,975.52

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Solution

The fourth proportional to 363,638.16, 545,488.76 and 110,975.52 is: 166,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,638.16 : 545,488.76 = 110,975.52 : x
  2. Step 2: Convert to fraction form
    363,638.16/545,488.76 = 110,975.52/x
  3. Step 3: Cross multiply
    363,638.16x = 545,488.76 × 110,975.52
  4. Step 4: Simplify right side
    363,638.16x = 60,535,898,795.16
  5. Step 5: Solve for x
    x = 60,535,898,795.16/363,638.16
  6. Step 6: Final answer
    x = 166,472.90

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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.