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Finding the Fourth Proportional to 162,993.60, 244,490.40 and 161,956.80

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Solution

The fourth proportional to 162,993.60, 244,490.40 and 161,956.80 is: 242,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,993.60 : 244,490.40 = 161,956.80 : x
  2. Step 2: Convert to fraction form
    162,993.60/244,490.40 = 161,956.80/x
  3. Step 3: Cross multiply
    162,993.60x = 244,490.40 × 161,956.80
  4. Step 4: Simplify right side
    162,993.60x = 39,596,882,814.72
  5. Step 5: Solve for x
    x = 39,596,882,814.72/162,993.60
  6. Step 6: Final answer
    x = 242,935.20

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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.