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Finding the Fourth Proportional to 173,073.60, 259,634.70 and 54,732.60

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Solution

The fourth proportional to 173,073.60, 259,634.70 and 54,732.60 is: 82,106.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,073.60 : 259,634.70 = 54,732.60 : x
  2. Step 2: Convert to fraction form
    173,073.60/259,634.70 = 54,732.60/x
  3. Step 3: Cross multiply
    173,073.60x = 259,634.70 × 54,732.60
  4. Step 4: Simplify right side
    173,073.60x = 14,210,482,181.22
  5. Step 5: Solve for x
    x = 14,210,482,181.22/173,073.60
  6. Step 6: Final answer
    x = 82,106.58

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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.