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Finding the Fourth Proportional to 162,052.60, 243,048.12 and 68,623.96

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Solution

The fourth proportional to 162,052.60, 243,048.12 and 68,623.96 is: 102,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,052.60 : 243,048.12 = 68,623.96 : x
  2. Step 2: Convert to fraction form
    162,052.60/243,048.12 = 68,623.96/x
  3. Step 3: Cross multiply
    162,052.60x = 243,048.12 × 68,623.96
  4. Step 4: Simplify right side
    162,052.60x = 16,678,924,464.96
  5. Step 5: Solve for x
    x = 16,678,924,464.96/162,052.60
  6. Step 6: Final answer
    x = 102,922.91

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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.