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Finding the Fourth Proportional to 162,785.60, 244,408.80 and 127,764.80

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Solution

The fourth proportional to 162,785.60, 244,408.80 and 127,764.80 is: 191,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,785.60 : 244,408.80 = 127,764.80 : x
  2. Step 2: Convert to fraction form
    162,785.60/244,408.80 = 127,764.80/x
  3. Step 3: Cross multiply
    162,785.60x = 244,408.80 × 127,764.80
  4. Step 4: Simplify right side
    162,785.60x = 31,226,841,450.24
  5. Step 5: Solve for x
    x = 31,226,841,450.24/162,785.60
  6. Step 6: Final answer
    x = 191,828.03

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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.