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Finding the Fourth Proportional to 114,333.92, 171,183.92 and 86,168.72

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Solution

The fourth proportional to 114,333.92, 171,183.92 and 86,168.72 is: 129,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,333.92 : 171,183.92 = 86,168.72 : x
  2. Step 2: Convert to fraction form
    114,333.92/171,183.92 = 86,168.72/x
  3. Step 3: Cross multiply
    114,333.92x = 171,183.92 × 86,168.72
  4. Step 4: Simplify right side
    114,333.92x = 14,750,699,270.98
  5. Step 5: Solve for x
    x = 14,750,699,270.98/114,333.92
  6. Step 6: Final answer
    x = 129,014.20

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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.