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Finding the Fourth Proportional to 162,576.35, 243,843 and 73,809.44

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Solution

The fourth proportional to 162,576.35, 243,843 and 73,809.44 is: 110,704.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,576.35 : 243,843 = 73,809.44 : x
  2. Step 2: Convert to fraction form
    162,576.35/243,843 = 73,809.44/x
  3. Step 3: Cross multiply
    162,576.35x = 243,843 × 73,809.44
  4. Step 4: Simplify right side
    162,576.35x = 17,997,915,277.92
  5. Step 5: Solve for x
    x = 17,997,915,277.92/162,576.35
  6. Step 6: Final answer
    x = 110,704.39

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1.5x scale

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.