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Finding the Fourth Proportional to 173,029.82, 259,075.74 and 89,748.86

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Solution

The fourth proportional to 173,029.82, 259,075.74 and 89,748.86 is: 134,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,029.82 : 259,075.74 = 89,748.86 : x
  2. Step 2: Convert to fraction form
    173,029.82/259,075.74 = 89,748.86/x
  3. Step 3: Cross multiply
    173,029.82x = 259,075.74 × 89,748.86
  4. Step 4: Simplify right side
    173,029.82x = 23,251,751,023.28
  5. Step 5: Solve for x
    x = 23,251,751,023.28/173,029.82
  6. Step 6: Final answer
    x = 134,380.03

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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.