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Finding the Fourth Proportional to 166,762.80, 230,111.28 and 95,138.64

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Solution

The fourth proportional to 166,762.80, 230,111.28 and 95,138.64 is: 131,279.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,762.80 : 230,111.28 = 95,138.64 : x
  2. Step 2: Convert to fraction form
    166,762.80/230,111.28 = 95,138.64/x
  3. Step 3: Cross multiply
    166,762.80x = 230,111.28 × 95,138.64
  4. Step 4: Simplify right side
    166,762.80x = 21,892,474,227.86
  5. Step 5: Solve for x
    x = 21,892,474,227.86/166,762.80
  6. Step 6: Final answer
    x = 131,279.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.