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Finding the Fourth Proportional to 162,384.20, 243,613.20 and 73,663.10

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Solution

The fourth proportional to 162,384.20, 243,613.20 and 73,663.10 is: 110,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,384.20 : 243,613.20 = 73,663.10 : x
  2. Step 2: Convert to fraction form
    162,384.20/243,613.20 = 73,663.10/x
  3. Step 3: Cross multiply
    162,384.20x = 243,613.20 × 73,663.10
  4. Step 4: Simplify right side
    162,384.20x = 17,945,303,512.92
  5. Step 5: Solve for x
    x = 17,945,303,512.92/162,384.20
  6. Step 6: Final answer
    x = 110,511.39

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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.