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Finding the Fourth Proportional to 173,608.56, 260,361 and 61,267.68

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Solution

The fourth proportional to 173,608.56, 260,361 and 61,267.68 is: 91,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,608.56 : 260,361 = 61,267.68 : x
  2. Step 2: Convert to fraction form
    173,608.56/260,361 = 61,267.68/x
  3. Step 3: Cross multiply
    173,608.56x = 260,361 × 61,267.68
  4. Step 4: Simplify right side
    173,608.56x = 15,951,714,432.48
  5. Step 5: Solve for x
    x = 15,951,714,432.48/173,608.56
  6. Step 6: Final answer
    x = 91,883.23

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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.