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Finding the Fourth Proportional to 168,603.40, 252,868.65 and 73,833.40

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Solution

The fourth proportional to 168,603.40, 252,868.65 and 73,833.40 is: 110,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,603.40 : 252,868.65 = 73,833.40 : x
  2. Step 2: Convert to fraction form
    168,603.40/252,868.65 = 73,833.40/x
  3. Step 3: Cross multiply
    168,603.40x = 252,868.65 × 73,833.40
  4. Step 4: Simplify right side
    168,603.40x = 18,670,152,182.91
  5. Step 5: Solve for x
    x = 18,670,152,182.91/168,603.40
  6. Step 6: Final answer
    x = 110,734.14

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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.