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Finding the Fourth Proportional to 173,164.80, 259,782.30 and 98,320.80

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Solution

The fourth proportional to 173,164.80, 259,782.30 and 98,320.80 is: 147,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,164.80 : 259,782.30 = 98,320.80 : x
  2. Step 2: Convert to fraction form
    173,164.80/259,782.30 = 98,320.80/x
  3. Step 3: Cross multiply
    173,164.80x = 259,782.30 × 98,320.80
  4. Step 4: Simplify right side
    173,164.80x = 25,542,003,561.84
  5. Step 5: Solve for x
    x = 25,542,003,561.84/173,164.80
  6. Step 6: Final answer
    x = 147,501.13

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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.