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Finding the Fourth Proportional to 356,755.44, 535,188.24 and 120,079.44

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Solution

The fourth proportional to 356,755.44, 535,188.24 and 120,079.44 is: 180,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,755.44 : 535,188.24 = 120,079.44 : x
  2. Step 2: Convert to fraction form
    356,755.44/535,188.24 = 120,079.44/x
  3. Step 3: Cross multiply
    356,755.44x = 535,188.24 × 120,079.44
  4. Step 4: Simplify right side
    356,755.44x = 64,265,104,153.79
  5. Step 5: Solve for x
    x = 64,265,104,153.79/356,755.44
  6. Step 6: Final answer
    x = 180,137.70

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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.