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Finding the Fourth Proportional to 173,290.68, 259,883.10 and 73,449

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Solution

The fourth proportional to 173,290.68, 259,883.10 and 73,449 is: 110,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,290.68 : 259,883.10 = 73,449 : x
  2. Step 2: Convert to fraction form
    173,290.68/259,883.10 = 73,449/x
  3. Step 3: Cross multiply
    173,290.68x = 259,883.10 × 73,449
  4. Step 4: Simplify right side
    173,290.68x = 19,088,153,811.90
  5. Step 5: Solve for x
    x = 19,088,153,811.90/173,290.68
  6. Step 6: Final answer
    x = 110,151.07

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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.