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Finding the Fourth Proportional to 172,859.81, 259,333.46 and 48,200.81

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Solution

The fourth proportional to 172,859.81, 259,333.46 and 48,200.81 is: 72,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,859.81 : 259,333.46 = 48,200.81 : x
  2. Step 2: Convert to fraction form
    172,859.81/259,333.46 = 48,200.81/x
  3. Step 3: Cross multiply
    172,859.81x = 259,333.46 × 48,200.81
  4. Step 4: Simplify right side
    172,859.81x = 12,500,083,420.19
  5. Step 5: Solve for x
    x = 12,500,083,420.19/172,859.81
  6. Step 6: Final answer
    x = 72,313.42

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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.