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Finding the Fourth Proportional to 172,716.93, 259,153.16 and 93,712.77

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Solution

The fourth proportional to 172,716.93, 259,153.16 and 93,712.77 is: 140,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,716.93 : 259,153.16 = 93,712.77 : x
  2. Step 2: Convert to fraction form
    172,716.93/259,153.16 = 93,712.77/x
  3. Step 3: Cross multiply
    172,716.93x = 259,153.16 × 93,712.77
  4. Step 4: Simplify right side
    172,716.93x = 24,285,960,009.29
  5. Step 5: Solve for x
    x = 24,285,960,009.29/172,716.93
  6. Step 6: Final answer
    x = 140,611.35

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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.