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Finding the Fourth Proportional to 173,333.90, 259,721.40 and 98,230.70

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Solution

The fourth proportional to 173,333.90, 259,721.40 and 98,230.70 is: 147,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,333.90 : 259,721.40 = 98,230.70 : x
  2. Step 2: Convert to fraction form
    173,333.90/259,721.40 = 98,230.70/x
  3. Step 3: Cross multiply
    173,333.90x = 259,721.40 × 98,230.70
  4. Step 4: Simplify right side
    173,333.90x = 25,512,614,926.98
  5. Step 5: Solve for x
    x = 25,512,614,926.98/173,333.90
  6. Step 6: Final answer
    x = 147,187.68

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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.