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Finding the Fourth Proportional to 173,804.60, 260,804.10 and 73,947.80

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Solution

The fourth proportional to 173,804.60, 260,804.10 and 73,947.80 is: 110,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,804.60 : 260,804.10 = 73,947.80 : x
  2. Step 2: Convert to fraction form
    173,804.60/260,804.10 = 73,947.80/x
  3. Step 3: Cross multiply
    173,804.60x = 260,804.10 × 73,947.80
  4. Step 4: Simplify right side
    173,804.60x = 19,285,889,425.98
  5. Step 5: Solve for x
    x = 19,285,889,425.98/173,804.60
  6. Step 6: Final answer
    x = 110,963.06

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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.