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Finding the Fourth Proportional to 173,167.80, 259,751.70 and 73,400.10

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Solution

The fourth proportional to 173,167.80, 259,751.70 and 73,400.10 is: 110,100.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,167.80 : 259,751.70 = 73,400.10 : x
  2. Step 2: Convert to fraction form
    173,167.80/259,751.70 = 73,400.10/x
  3. Step 3: Cross multiply
    173,167.80x = 259,751.70 × 73,400.10
  4. Step 4: Simplify right side
    173,167.80x = 19,065,800,755.17
  5. Step 5: Solve for x
    x = 19,065,800,755.17/173,167.80
  6. Step 6: Final answer
    x = 110,100.15

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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.