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Finding the Fourth Proportional to 162,697.60, 244,276.80 and 127,676.80

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Solution

The fourth proportional to 162,697.60, 244,276.80 and 127,676.80 is: 191,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,697.60 : 244,276.80 = 127,676.80 : x
  2. Step 2: Convert to fraction form
    162,697.60/244,276.80 = 127,676.80/x
  3. Step 3: Cross multiply
    162,697.60x = 244,276.80 × 127,676.80
  4. Step 4: Simplify right side
    162,697.60x = 31,188,480,138.24
  5. Step 5: Solve for x
    x = 31,188,480,138.24/162,697.60
  6. Step 6: Final answer
    x = 191,696.01

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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.