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Finding the Fourth Proportional to 162,411.92, 243,644.16 and 50,065.87

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Solution

The fourth proportional to 162,411.92, 243,644.16 and 50,065.87 is: 75,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,411.92 : 243,644.16 = 50,065.87 : x
  2. Step 2: Convert to fraction form
    162,411.92/243,644.16 = 50,065.87/x
  3. Step 3: Cross multiply
    162,411.92x = 243,644.16 × 50,065.87
  4. Step 4: Simplify right side
    162,411.92x = 12,198,256,416.50
  5. Step 5: Solve for x
    x = 12,198,256,416.50/162,411.92
  6. Step 6: Final answer
    x = 75,106.90

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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.