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Finding the Fourth Proportional to 173,029.34, 259,689.90 and 67,922.12

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Solution

The fourth proportional to 173,029.34, 259,689.90 and 67,922.12 is: 101,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,029.34 : 259,689.90 = 67,922.12 : x
  2. Step 2: Convert to fraction form
    173,029.34/259,689.90 = 67,922.12/x
  3. Step 3: Cross multiply
    173,029.34x = 259,689.90 × 67,922.12
  4. Step 4: Simplify right side
    173,029.34x = 17,638,688,550.59
  5. Step 5: Solve for x
    x = 17,638,688,550.59/173,029.34
  6. Step 6: Final answer
    x = 101,940.45

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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.