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Finding the Fourth Proportional to 356,600.72, 534,927.48 and 119,942.48

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Solution

The fourth proportional to 356,600.72, 534,927.48 and 119,942.48 is: 179,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,600.72 : 534,927.48 = 119,942.48 : x
  2. Step 2: Convert to fraction form
    356,600.72/534,927.48 = 119,942.48/x
  3. Step 3: Cross multiply
    356,600.72x = 534,927.48 × 119,942.48
  4. Step 4: Simplify right side
    356,600.72x = 64,160,528,571.35
  5. Step 5: Solve for x
    x = 64,160,528,571.35/356,600.72
  6. Step 6: Final answer
    x = 179,922.60

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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.