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Finding the Fourth Proportional to 173,020.73, 259,438.55 and 88,746.44

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Solution

The fourth proportional to 173,020.73, 259,438.55 and 88,746.44 is: 133,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,020.73 : 259,438.55 = 88,746.44 : x
  2. Step 2: Convert to fraction form
    173,020.73/259,438.55 = 88,746.44/x
  3. Step 3: Cross multiply
    173,020.73x = 259,438.55 × 88,746.44
  4. Step 4: Simplify right side
    173,020.73x = 23,024,245,970.34
  5. Step 5: Solve for x
    x = 23,024,245,970.34/173,020.73
  6. Step 6: Final answer
    x = 133,072.19

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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.