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Finding the Fourth Proportional to 162,603.92, 243,914.04 and 51,804.56

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Solution

The fourth proportional to 162,603.92, 243,914.04 and 51,804.56 is: 77,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,603.92 : 243,914.04 = 51,804.56 : x
  2. Step 2: Convert to fraction form
    162,603.92/243,914.04 = 51,804.56/x
  3. Step 3: Cross multiply
    162,603.92x = 243,914.04 × 51,804.56
  4. Step 4: Simplify right side
    162,603.92x = 12,635,859,520.02
  5. Step 5: Solve for x
    x = 12,635,859,520.02/162,603.92
  6. Step 6: Final answer
    x = 77,709.44

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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.