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Finding the Fourth Proportional to 173,664.60, 260,525.70 and 73,872.60

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Solution

The fourth proportional to 173,664.60, 260,525.70 and 73,872.60 is: 110,821.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,664.60 : 260,525.70 = 73,872.60 : x
  2. Step 2: Convert to fraction form
    173,664.60/260,525.70 = 73,872.60/x
  3. Step 3: Cross multiply
    173,664.60x = 260,525.70 × 73,872.60
  4. Step 4: Simplify right side
    173,664.60x = 19,245,710,825.82
  5. Step 5: Solve for x
    x = 19,245,710,825.82/173,664.60
  6. Step 6: Final answer
    x = 110,821.15

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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.