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Finding the Fourth Proportional to 173,140.80, 259,723.35 and 98,296.80

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Solution

The fourth proportional to 173,140.80, 259,723.35 and 98,296.80 is: 147,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,140.80 : 259,723.35 = 98,296.80 : x
  2. Step 2: Convert to fraction form
    173,140.80/259,723.35 = 98,296.80/x
  3. Step 3: Cross multiply
    173,140.80x = 259,723.35 × 98,296.80
  4. Step 4: Simplify right side
    173,140.80x = 25,529,974,190.28
  5. Step 5: Solve for x
    x = 25,529,974,190.28/173,140.80
  6. Step 6: Final answer
    x = 147,452.10

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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.