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Finding the Fourth Proportional to 172,859.63, 259,333.18 and 48,200.63

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Solution

The fourth proportional to 172,859.63, 259,333.18 and 48,200.63 is: 72,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,859.63 : 259,333.18 = 48,200.63 : x
  2. Step 2: Convert to fraction form
    172,859.63/259,333.18 = 48,200.63/x
  3. Step 3: Cross multiply
    172,859.63x = 259,333.18 × 48,200.63
  4. Step 4: Simplify right side
    172,859.63x = 12,500,021,238.74
  5. Step 5: Solve for x
    x = 12,500,021,238.74/172,859.63
  6. Step 6: Final answer
    x = 72,313.13

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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.