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Finding the Fourth Proportional to 173,605.25, 259,983.18 and 156,776.28

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Solution

The fourth proportional to 173,605.25, 259,983.18 and 156,776.28 is: 234,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,605.25 : 259,983.18 = 156,776.28 : x
  2. Step 2: Convert to fraction form
    173,605.25/259,983.18 = 156,776.28/x
  3. Step 3: Cross multiply
    173,605.25x = 259,983.18 × 156,776.28
  4. Step 4: Simplify right side
    173,605.25x = 40,759,195,822.97
  5. Step 5: Solve for x
    x = 40,759,195,822.97/173,605.25
  6. Step 6: Final answer
    x = 234,780.90

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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.