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Finding the Fourth Proportional to 173,322.72, 259,993.80 and 48,654

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Solution

The fourth proportional to 173,322.72, 259,993.80 and 48,654 is: 72,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,322.72 : 259,993.80 = 48,654 : x
  2. Step 2: Convert to fraction form
    173,322.72/259,993.80 = 48,654/x
  3. Step 3: Cross multiply
    173,322.72x = 259,993.80 × 48,654
  4. Step 4: Simplify right side
    173,322.72x = 12,649,738,345.20
  5. Step 5: Solve for x
    x = 12,649,738,345.20/173,322.72
  6. Step 6: Final answer
    x = 72,983.73

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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.