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Finding the Fourth Proportional to 173,720.78, 260,625.03 and 49,061.78

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Solution

The fourth proportional to 173,720.78, 260,625.03 and 49,061.78 is: 73,605.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,720.78 : 260,625.03 = 49,061.78 : x
  2. Step 2: Convert to fraction form
    173,720.78/260,625.03 = 49,061.78/x
  3. Step 3: Cross multiply
    173,720.78x = 260,625.03 × 49,061.78
  4. Step 4: Simplify right side
    173,720.78x = 12,786,727,884.35
  5. Step 5: Solve for x
    x = 12,786,727,884.35/173,720.78
  6. Step 6: Final answer
    x = 73,605.06

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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.