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Finding the Fourth Proportional to 173,153.42, 259,812.39 and 119,927.31

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Solution

The fourth proportional to 173,153.42, 259,812.39 and 119,927.31 is: 179,947.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,153.42 : 259,812.39 = 119,927.31 : x
  2. Step 2: Convert to fraction form
    173,153.42/259,812.39 = 119,927.31/x
  3. Step 3: Cross multiply
    173,153.42x = 259,812.39 × 119,927.31
  4. Step 4: Simplify right side
    173,153.42x = 31,158,601,037.37
  5. Step 5: Solve for x
    x = 31,158,601,037.37/173,153.42
  6. Step 6: Final answer
    x = 179,947.94

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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.