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Finding the Fourth Proportional to 172,841.86, 259,240.92 and 67,734.64

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Solution

The fourth proportional to 172,841.86, 259,240.92 and 67,734.64 is: 101,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,841.86 : 259,240.92 = 67,734.64 : x
  2. Step 2: Convert to fraction form
    172,841.86/259,240.92 = 67,734.64/x
  3. Step 3: Cross multiply
    172,841.86x = 259,240.92 × 67,734.64
  4. Step 4: Simplify right side
    172,841.86x = 17,559,590,389.47
  5. Step 5: Solve for x
    x = 17,559,590,389.47/172,841.86
  6. Step 6: Final answer
    x = 101,593.39

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1.5x scale

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.