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Finding the Fourth Proportional to 162,551.54, 243,923.62 and 73,803.72

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Solution

The fourth proportional to 162,551.54, 243,923.62 and 73,803.72 is: 110,749.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,551.54 : 243,923.62 = 73,803.72 : x
  2. Step 2: Convert to fraction form
    162,551.54/243,923.62 = 73,803.72/x
  3. Step 3: Cross multiply
    162,551.54x = 243,923.62 × 73,803.72
  4. Step 4: Simplify right side
    162,551.54x = 18,002,470,551.87
  5. Step 5: Solve for x
    x = 18,002,470,551.87/162,551.54
  6. Step 6: Final answer
    x = 110,749.31

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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.