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Finding the Fourth Proportional to 162,795.60, 244,193.40 and 161,758.80

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Solution

The fourth proportional to 162,795.60, 244,193.40 and 161,758.80 is: 242,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,795.60 : 244,193.40 = 161,758.80 : x
  2. Step 2: Convert to fraction form
    162,795.60/244,193.40 = 161,758.80/x
  3. Step 3: Cross multiply
    162,795.60x = 244,193.40 × 161,758.80
  4. Step 4: Simplify right side
    162,795.60x = 39,500,431,351.92
  5. Step 5: Solve for x
    x = 39,500,431,351.92/162,795.60
  6. Step 6: Final answer
    x = 242,638.20

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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.