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Finding the Fourth Proportional to 173,435.93, 259,946.82 and 89,236.43

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Solution

The fourth proportional to 173,435.93, 259,946.82 and 89,236.43 is: 133,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,435.93 : 259,946.82 = 89,236.43 : x
  2. Step 2: Convert to fraction form
    173,435.93/259,946.82 = 89,236.43/x
  3. Step 3: Cross multiply
    173,435.93x = 259,946.82 × 89,236.43
  4. Step 4: Simplify right side
    173,435.93x = 23,196,727,343.92
  5. Step 5: Solve for x
    x = 23,196,727,343.92/173,435.93
  6. Step 6: Final answer
    x = 133,748.10

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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.