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Finding the Fourth Proportional to 162,043.40, 242,546.70 and 149,601.80

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Solution

The fourth proportional to 162,043.40, 242,546.70 and 149,601.80 is: 223,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,043.40 : 242,546.70 = 149,601.80 : x
  2. Step 2: Convert to fraction form
    162,043.40/242,546.70 = 149,601.80/x
  3. Step 3: Cross multiply
    162,043.40x = 242,546.70 × 149,601.80
  4. Step 4: Simplify right side
    162,043.40x = 36,285,422,904.06
  5. Step 5: Solve for x
    x = 36,285,422,904.06/162,043.40
  6. Step 6: Final answer
    x = 223,924.10

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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.